Quarterly report pursuant to Section 13 or 15(d)

Consolidating Condensed Statement of Cash Flows (Detail)

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Consolidating Condensed Statement of Cash Flows (Detail) - USD ($)
$ in Thousands
 9 Months Ended
Jun. 27, 2015
Jun. 28, 2014
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by operating activities $ 56,597 $ 68,851
Additions to property, plant and equipment (18,160) (13,707)
Proceeds from sale of property and equipment, net of expenses 0 5,171
Payments to acquire companies, net of cash acquired (16,000) (20,262)
Change in restricted cash and cash equivalents 1,693 0
Maturities of short term investments 9,997 3,600
Investment in short term investments (17) 0
Other investing activities (489) 0
Intercompany investing activities 0 0
Net cash used by investing activities (22,976) (25,198)
Repayments on revolving line of credit (312,000) (301,000)
Borrowings on revolving line of credit 312,000 278,000
Repayments of long-term debt (50,216) (282)
Proceeds from issuance of common stock 2,148 594
Excess tax benefits from stock-based awards 685 422
Repurchase of common stock (19,021) (1,190)
Payment of deferred financing costs 0 (3,090)
Distribution to parent 0 0
Distribution to noncontrolling interest (1,680) (633)
Intercompany financing activities 0 0
Net cash provided (used) by financing activities (68,084) (27,179)
Effect of exchange rates on cash (372) 216
Net increase (decrease) in cash and cash equivalents (34,835) 16,690
Cash and equivalents at beginning of period 78,676 15,156
Cash and equivalents at end of period 43,841 31,846
Parent [Member]    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by operating activities 6,844 2,881
Additions to property, plant and equipment (2,044) (5,728)
Proceeds from sale of property and equipment, net of expenses   0
Payments to acquire companies, net of cash acquired (16,000) 0
Change in restricted cash and cash equivalents 1,693  
Maturities of short term investments 9,997 3,600
Investment in short term investments (17)  
Other investing activities (489)  
Intercompany investing activities (20,083) (28,685)
Net cash used by investing activities (26,943) (30,813)
Repayments on revolving line of credit (312,000) (301,000)
Borrowings on revolving line of credit 312,000 278,000
Repayments of long-term debt (50,196) (172)
Proceeds from issuance of common stock 2,148 594
Excess tax benefits from stock-based awards 685 422
Repurchase of common stock (19,021) (1,190)
Payment of deferred financing costs   (3,090)
Distribution to parent 0 0
Distribution to noncontrolling interest 0 0
Intercompany financing activities 53,971 64,582
Net cash provided (used) by financing activities (12,413) 38,146
Effect of exchange rates on cash (319) 530
Net increase (decrease) in cash and cash equivalents (32,831) 10,744
Cash and equivalents at beginning of period 63,471 5,438
Cash and equivalents at end of period 30,640 16,182
Non-Guarantor Subsidiaries [Member]    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by operating activities 4,862 5,764
Additions to property, plant and equipment (180) (1,482)
Proceeds from sale of property and equipment, net of expenses   0
Payments to acquire companies, net of cash acquired 0 0
Change in restricted cash and cash equivalents 0  
Maturities of short term investments 0 0
Investment in short term investments 0  
Intercompany investing activities 0 0
Net cash used by investing activities (180) (1,482)
Repayments on revolving line of credit 0 0
Borrowings on revolving line of credit 0 0
Repayments of long-term debt 0 0
Proceeds from issuance of common stock 0 0
Excess tax benefits from stock-based awards 0 0
Repurchase of common stock 0 0
Payment of deferred financing costs   0
Distribution to parent (6,719) (2,534)
Distribution to noncontrolling interest (1,680) (633)
Intercompany financing activities 1,645 4,924
Net cash provided (used) by financing activities (6,754) 1,757
Effect of exchange rates on cash (128) (179)
Net increase (decrease) in cash and cash equivalents (2,200) 5,860
Cash and equivalents at beginning of period 12,806 7,003
Cash and equivalents at end of period 10,606 12,863
Guarantor Subsidiaries [Member]    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by operating activities 51,610 62,740
Additions to property, plant and equipment (15,936) (6,497)
Proceeds from sale of property and equipment, net of expenses   5,171
Payments to acquire companies, net of cash acquired 0 (20,262)
Change in restricted cash and cash equivalents 0  
Maturities of short term investments 0 0
Investment in short term investments 0  
Intercompany investing activities (35,533) (40,821)
Net cash used by investing activities (51,469) (62,409)
Repayments on revolving line of credit 0 0
Borrowings on revolving line of credit 0 0
Repayments of long-term debt (20) (110)
Proceeds from issuance of common stock 0 0
Excess tax benefits from stock-based awards 0 0
Repurchase of common stock 0 0
Payment of deferred financing costs   0
Distribution to parent 0 0
Distribution to noncontrolling interest 0 0
Intercompany financing activities 0 0
Net cash provided (used) by financing activities (20) (110)
Effect of exchange rates on cash 75 (135)
Net increase (decrease) in cash and cash equivalents 196 86
Cash and equivalents at beginning of period 2,399 2,715
Cash and equivalents at end of period 2,595 2,801
Eliminations [Member]    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by operating activities (6,719) (2,534)
Additions to property, plant and equipment 0 0
Proceeds from sale of property and equipment, net of expenses   0
Payments to acquire companies, net of cash acquired 0 0
Change in restricted cash and cash equivalents 0  
Maturities of short term investments 0 0
Investment in short term investments 0  
Intercompany investing activities 55,616 69,506
Net cash used by investing activities 55,616 69,506
Repayments on revolving line of credit 0 0
Borrowings on revolving line of credit 0 0
Repayments of long-term debt 0 0
Proceeds from issuance of common stock 0 0
Excess tax benefits from stock-based awards 0 0
Repurchase of common stock 0 0
Payment of deferred financing costs   0
Distribution to parent 6,719 2,534
Distribution to noncontrolling interest 0 0
Intercompany financing activities (55,616) (69,506)
Net cash provided (used) by financing activities (48,897) (66,972)
Effect of exchange rates on cash 0 0
Net increase (decrease) in cash and cash equivalents 0 0
Cash and equivalents at beginning of period 0 0
Cash and equivalents at end of period $ 0 $ 0