Consolidating Condensed Financial Information of Guarantor Subsidiaries - Consolidating Condensed Statement of Cash Flows (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Sep. 28, 2019 |
Sep. 29, 2018 |
Sep. 30, 2017 |
| Condensed Financial Statements, Captions [Line Items] |
|
|
|
| Net cash provided by operating activities |
$ 204,974
|
$ 114,112
|
$ 114,309
|
| Additions to property, plant and equipment |
(31,577)
|
(37,845)
|
(44,659)
|
| Businesses acquired, net of cash acquired |
(41,161)
|
(91,244)
|
(103,880)
|
| Proceeds from asset sales |
0
|
0
|
8,547
|
| Escrow deposit for acquisition related-contingent consideration |
0
|
0
|
(6,000)
|
| Investments |
(2,010)
|
(9,048)
|
(12,495)
|
| Other investing activities |
(1,515)
|
(2,745)
|
(4,355)
|
| Intercompany investing activities |
0
|
0
|
0
|
| Net cash used in investing activities |
(76,263)
|
(140,882)
|
(162,842)
|
| Repayments on revolving line of credit |
0
|
(23,000)
|
(552,000)
|
| Borrowings on revolving line of credit |
0
|
23,000
|
552,000
|
| Repayments of long-term debt |
(46,193)
|
(431)
|
(463)
|
| Issuance of long-term debt |
0
|
300,000
|
0
|
| Proceeds from issuance of common stock |
0
|
195,631
|
0
|
| Excess tax benefits from stock-based awards |
0
|
0
|
19,946
|
| Repurchase of common stock |
(62,974)
|
(13,797)
|
(27,556)
|
| Payments of contingent consideration |
(170)
|
(253)
|
(1,300)
|
| Distribution to parent |
0
|
0
|
0
|
| Payment of deferred financing costs |
(1,352)
|
(4,770)
|
0
|
| Distribution to noncontrolling interest |
(76)
|
(1,597)
|
(1,019)
|
| Intercompany financing activities |
0
|
0
|
0
|
| Net cash (used in) provided by financing activities |
(110,765)
|
474,783
|
(10,392)
|
| Effect of exchange rate changes on cash and cash equivalents |
(250)
|
(50)
|
75
|
| Net increase (decrease) in cash, cash equivalents and restricted cash |
17,696
|
447,963
|
(58,850)
|
| Cash, cash equivalents and restricted cash at beginning of year |
493,005
|
45,042
|
103,892
|
| Cash, cash equivalents and restricted cash at end of year |
510,701
|
493,005
|
45,042
|
| Eliminations |
|
|
|
| Condensed Financial Statements, Captions [Line Items] |
|
|
|
| Net cash provided by operating activities |
(300)
|
(6,387)
|
(4,076)
|
| Additions to property, plant and equipment |
0
|
0
|
0
|
| Businesses acquired, net of cash acquired |
0
|
0
|
0
|
| Proceeds from asset sales |
|
|
0
|
| Escrow deposit for acquisition related-contingent consideration |
|
|
0
|
| Investments |
0
|
0
|
0
|
| Other investing activities |
0
|
0
|
0
|
| Intercompany investing activities |
106,525
|
111,509
|
98,591
|
| Net cash used in investing activities |
106,525
|
111,509
|
98,591
|
| Repayments on revolving line of credit |
|
0
|
0
|
| Borrowings on revolving line of credit |
|
0
|
0
|
| Repayments of long-term debt |
0
|
0
|
0
|
| Issuance of long-term debt |
|
0
|
|
| Proceeds from issuance of common stock |
|
0
|
|
| Excess tax benefits from stock-based awards |
|
|
0
|
| Repurchase of common stock |
0
|
0
|
0
|
| Payments of contingent consideration |
0
|
0
|
|
| Distribution to parent |
300
|
6,387
|
4,076
|
| Payment of deferred financing costs |
0
|
0
|
|
| Distribution to noncontrolling interest |
0
|
0
|
0
|
| Intercompany financing activities |
(106,525)
|
(111,509)
|
(98,591)
|
| Net cash (used in) provided by financing activities |
(106,225)
|
(105,122)
|
(94,515)
|
| Effect of exchange rate changes on cash and cash equivalents |
0
|
0
|
0
|
| Net increase (decrease) in cash, cash equivalents and restricted cash |
0
|
0
|
0
|
| Cash, cash equivalents and restricted cash at beginning of year |
0
|
0
|
0
|
| Cash, cash equivalents and restricted cash at end of year |
0
|
0
|
0
|
| Parent | Reportable Legal Entities |
|
|
|
| Condensed Financial Statements, Captions [Line Items] |
|
|
|
| Net cash provided by operating activities |
22,344
|
(16,676)
|
(7,418)
|
| Additions to property, plant and equipment |
(3,926)
|
(6,633)
|
(9,419)
|
| Businesses acquired, net of cash acquired |
(41,161)
|
(91,244)
|
(103,880)
|
| Proceeds from asset sales |
|
|
229
|
| Escrow deposit for acquisition related-contingent consideration |
|
|
(6,000)
|
| Investments |
(2,010)
|
(9,048)
|
(12,495)
|
| Other investing activities |
(518)
|
(2,745)
|
(4,355)
|
| Intercompany investing activities |
2,820
|
(3,760)
|
(3,828)
|
| Net cash used in investing activities |
(44,795)
|
(113,430)
|
(139,748)
|
| Repayments on revolving line of credit |
|
(23,000)
|
(552,000)
|
| Borrowings on revolving line of credit |
|
23,000
|
552,000
|
| Repayments of long-term debt |
(121)
|
(56)
|
(89)
|
| Issuance of long-term debt |
|
300,000
|
|
| Proceeds from issuance of common stock |
|
195,631
|
|
| Excess tax benefits from stock-based awards |
|
|
19,946
|
| Repurchase of common stock |
(62,974)
|
(13,797)
|
(27,556)
|
| Payments of contingent consideration |
0
|
0
|
0
|
| Distribution to parent |
0
|
0
|
0
|
| Payment of deferred financing costs |
(1,352)
|
(4,770)
|
|
| Distribution to noncontrolling interest |
0
|
0
|
0
|
| Intercompany financing activities |
104,742
|
106,525
|
93,445
|
| Net cash (used in) provided by financing activities |
40,295
|
583,533
|
85,746
|
| Effect of exchange rate changes on cash and cash equivalents |
(411)
|
(201)
|
235
|
| Net increase (decrease) in cash, cash equivalents and restricted cash |
17,433
|
453,226
|
(61,185)
|
| Cash, cash equivalents and restricted cash at beginning of year |
485,109
|
31,883
|
93,068
|
| Cash, cash equivalents and restricted cash at end of year |
502,542
|
485,109
|
31,883
|
| Non-Guarantor Subsidiaries | Reportable Legal Entities |
|
|
|
| Condensed Financial Statements, Captions [Line Items] |
|
|
|
| Net cash provided by operating activities |
4,625
|
(1,288)
|
2,846
|
| Additions to property, plant and equipment |
(4,779)
|
(1,495)
|
(805)
|
| Businesses acquired, net of cash acquired |
0
|
0
|
0
|
| Proceeds from asset sales |
|
|
0
|
| Escrow deposit for acquisition related-contingent consideration |
|
|
0
|
| Investments |
0
|
0
|
0
|
| Other investing activities |
0
|
0
|
0
|
| Intercompany investing activities |
0
|
0
|
0
|
| Net cash used in investing activities |
(4,779)
|
(1,495)
|
(805)
|
| Repayments on revolving line of credit |
|
0
|
0
|
| Borrowings on revolving line of credit |
|
0
|
0
|
| Repayments of long-term debt |
0
|
0
|
0
|
| Issuance of long-term debt |
|
0
|
|
| Proceeds from issuance of common stock |
|
0
|
|
| Excess tax benefits from stock-based awards |
|
|
0
|
| Repurchase of common stock |
0
|
0
|
0
|
| Payments of contingent consideration |
0
|
0
|
|
| Distribution to parent |
(300)
|
(6,387)
|
(4,076)
|
| Payment of deferred financing costs |
0
|
0
|
|
| Distribution to noncontrolling interest |
(76)
|
(1,597)
|
(1,019)
|
| Intercompany financing activities |
1,783
|
4,984
|
5,146
|
| Net cash (used in) provided by financing activities |
1,407
|
(3,000)
|
51
|
| Effect of exchange rate changes on cash and cash equivalents |
50
|
95
|
(94)
|
| Net increase (decrease) in cash, cash equivalents and restricted cash |
1,303
|
(5,688)
|
1,998
|
| Cash, cash equivalents and restricted cash at beginning of year |
6,005
|
11,693
|
9,695
|
| Cash, cash equivalents and restricted cash at end of year |
7,308
|
6,005
|
11,693
|
| Guarantor Subsidiaries | Reportable Legal Entities |
|
|
|
| Condensed Financial Statements, Captions [Line Items] |
|
|
|
| Net cash provided by operating activities |
178,305
|
138,463
|
122,957
|
| Additions to property, plant and equipment |
(22,872)
|
(29,717)
|
(34,435)
|
| Businesses acquired, net of cash acquired |
0
|
0
|
0
|
| Proceeds from asset sales |
|
|
8,318
|
| Escrow deposit for acquisition related-contingent consideration |
|
|
0
|
| Investments |
0
|
0
|
0
|
| Other investing activities |
(997)
|
0
|
0
|
| Intercompany investing activities |
(109,345)
|
(107,749)
|
(94,763)
|
| Net cash used in investing activities |
(133,214)
|
(137,466)
|
(120,880)
|
| Repayments on revolving line of credit |
|
0
|
0
|
| Borrowings on revolving line of credit |
|
0
|
0
|
| Repayments of long-term debt |
(46,072)
|
(375)
|
(374)
|
| Issuance of long-term debt |
|
0
|
|
| Proceeds from issuance of common stock |
|
0
|
|
| Excess tax benefits from stock-based awards |
|
|
0
|
| Repurchase of common stock |
0
|
0
|
0
|
| Payments of contingent consideration |
(170)
|
(253)
|
(1,300)
|
| Distribution to parent |
0
|
0
|
0
|
| Payment of deferred financing costs |
0
|
0
|
|
| Distribution to noncontrolling interest |
0
|
0
|
0
|
| Intercompany financing activities |
0
|
0
|
0
|
| Net cash (used in) provided by financing activities |
(46,242)
|
(628)
|
(1,674)
|
| Effect of exchange rate changes on cash and cash equivalents |
111
|
56
|
(66)
|
| Net increase (decrease) in cash, cash equivalents and restricted cash |
(1,040)
|
425
|
337
|
| Cash, cash equivalents and restricted cash at beginning of year |
1,891
|
1,466
|
1,129
|
| Cash, cash equivalents and restricted cash at end of year |
$ 851
|
$ 1,891
|
$ 1,466
|