Quarterly report pursuant to Section 13 or 15(d)

Consolidating Condensed Statement of Cash Flows Based on Company's Understanding of SEC's Interpretation (Detail)

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Consolidating Condensed Statement of Cash Flows Based on Company's Understanding of SEC's Interpretation (Detail) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Condensed Financial Statements, Captions [Line Items]    
Net cash used by operating activities $ (60,043) $ (162,164)
Additions to property and equipment (10,024) (16,164)
Proceeds from short term investments 3,600 4,885
Payment to acquire companies 0 (4,835)
Investment in guarantor subsidiaries 0 0
Net cash used in investing activities (6,424) (16,114)
Repayments of long-term debt (203) (170)
Borrowings under revolving line of credit 188,000 186,000
Repayments under revolving line of credit (116,000) (42,000)
Repurchase of common stock (924) (2,454)
Proceeds from issuance of common stock 461 475
Payment of deferred financing costs (3,087) 0
Distribution to minority interest (633) (629)
Excess tax benefits from stock-based awards 321 289
Net cash provided (used) by financing activities 67,935 141,511
Effect of exchange rate changes on cash 124 (424)
Net increase (decrease) in cash and cash equivalents 1,592 (37,191)
Cash and cash equivalents at beginning of period 15,156 48,475
Cash and cash equivalents at end of period 16,748 11,284
Parent [Member]
    
Condensed Financial Statements, Captions [Line Items]    
Net cash used by operating activities (16,606) (56,490)
Additions to property and equipment (4,979) (7,000)
Proceeds from short term investments 3,600 4,885
Payment to acquire companies 0 0
Investment in guarantor subsidiaries (47,870) (118,152)
Net cash used in investing activities (49,249) (120,267)
Repayments of long-term debt (104) (111)
Borrowings under revolving line of credit 188,000 186,000
Repayments under revolving line of credit (116,000) (42,000)
Repurchase of common stock (924) (2,454)
Proceeds from issuance of common stock 461 475
Payment of deferred financing costs (3,087)  
Distribution to minority interest (633) (629)
Excess tax benefits from stock-based awards 321 289
Net cash provided (used) by financing activities 68,034 141,570
Effect of exchange rate changes on cash 200 (569)
Net increase (decrease) in cash and cash equivalents 2,379 (35,756)
Cash and cash equivalents at beginning of period 12,441 44,662
Cash and cash equivalents at end of period 14,820 8,906
Guarantor Subsidiaries [Member]
    
Condensed Financial Statements, Captions [Line Items]    
Net cash used by operating activities (20,029) (81,105)
Additions to property and equipment (5,045) (9,164)
Proceeds from short term investments 0 0
Payment to acquire companies 0 (4,835)
Investment in guarantor subsidiaries 24,462 93,583
Net cash used in investing activities 19,417 79,584
Repayments of long-term debt (99) (59)
Borrowings under revolving line of credit 0 0
Repayments under revolving line of credit 0 0
Repurchase of common stock 0 0
Proceeds from issuance of common stock 0 0
Payment of deferred financing costs 0  
Distribution to minority interest 0 0
Excess tax benefits from stock-based awards 0 0
Net cash provided (used) by financing activities (99) (59)
Effect of exchange rate changes on cash (76) 145
Net increase (decrease) in cash and cash equivalents (787) (1,435)
Cash and cash equivalents at beginning of period 2,715 3,813
Cash and cash equivalents at end of period 1,928 2,378
Eliminations [Member]
    
Condensed Financial Statements, Captions [Line Items]    
Net cash used by operating activities (23,408) (24,569)
Additions to property and equipment 0 0
Proceeds from short term investments 0 0
Payment to acquire companies 0 0
Investment in guarantor subsidiaries 23,408 24,569
Net cash used in investing activities 23,408 24,569
Repayments of long-term debt 0 0
Borrowings under revolving line of credit 0 0
Repayments under revolving line of credit 0 0
Repurchase of common stock 0 0
Proceeds from issuance of common stock 0 0
Payment of deferred financing costs 0  
Distribution to minority interest 0 0
Excess tax benefits from stock-based awards 0 0
Net cash provided (used) by financing activities 0 0
Effect of exchange rate changes on cash 0 0
Net increase (decrease) in cash and cash equivalents 0 0
Cash and cash equivalents at beginning of period 0 0
Cash and cash equivalents at end of period $ 0 $ 0