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Consolidating Condensed Statement of Cash Flows (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 26, 2015 | Sep. 27, 2014 | Sep. 28, 2013
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash (used) provided by operating activities | $ 87,449 | $ 126,467 | $ (28,282)
Additions to property, plant and equipment | (22,030) | (17,173) | (25,172)
Businesses acquired, net of cash acquired | (38,384) | (20,282) | (4,835)
Proceeds from disposal of plant and equipment |  | 8,737 |
Change in restricted cash and cash equivalents | 1,126 | (14,283) | 0
Maturities of short term investments | 9,997 | 17,820 | 4,885
Investment in short term investments | (17) | (10,000) | 0
Other investing activities | (546) | 0 | 0
Intercompany investing activities | 0 | 0 | 0
Net cash (used) provided by investing activities | (49,854) | (35,181) | (25,122)
Repayments on revolving line of credit | (312,000) | (301,000) | (368,000)
Borrowings on revolving line of credit | 312,000 | 278,000 | 391,000
Repayments of long-term debt | (50,289) | (367) | (332)
Proceeds from issuance of common stock | 200 | 1,165 | 613
Excess tax benefits from stock-based awards | 2,154 | 498 | 388
Repurchase of common stock | (18,497) | (2,332) | (2,731)
Payment of deferred financing costs | (258) | (3,090) | 0
Distribution to parent | 0 | 0 | 0
Distribution to noncontrolling interest | (1,680) | (633) | (629)
Intercompany financing activities | 0 | 0 | 0
Net cash provided (used) by financing activities | (68,370) | (27,759) | 20,309
Effect of exchange rates on cash | (317) | (7) | (224)
Net increase (decrease) in cash and cash equivalents | (31,092) | 63,520 | (33,319)
Cash and cash equivalents at beginning of year | 78,676 | 15,156 | 48,475
Cash and cash equivalents at end of year | 47,584 | 78,676 | 15,156
Parent [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash (used) provided by operating activities | (18,948) | (4,139) | (31,250)
Additions to property, plant and equipment | (2,687) | (6,721) | (8,656)
Businesses acquired, net of cash acquired | (38,384) | 0 | 0
Proceeds from disposal of plant and equipment |  | 0 |
Change in restricted cash and cash equivalents | 1,126 | (14,283) |
Maturities of short term investments | 9,997 | 17,820 | 4,885
Investment in short term investments | (17) | (10,000) |
Other investing activities | (546) |  |
Intercompany investing activities | 6,595 | (6,726) | 8,986
Net cash (used) provided by investing activities | (23,916) | (19,910) | 5,215
Repayments on revolving line of credit | (312,000) | (301,000) | (368,000)
Borrowings on revolving line of credit | 312,000 | 278,000 | 391,000
Repayments of long-term debt | (50,262) | (243) | (206)
Proceeds from issuance of common stock | 200 | 1,165 | 613
Excess tax benefits from stock-based awards | 2,154 | 498 | 388
Repurchase of common stock | (18,497) | (2,332) | (2,731)
Payment of deferred financing costs | (258) | (3,090) |
Distribution to parent | 0 | 0 | 0
Distribution to noncontrolling interest | 0 | 0 | 0
Intercompany financing activities | 83,884 | 109,057 | (28,896)
Net cash provided (used) by financing activities | 17,221 | 82,055 | (7,832)
Effect of exchange rates on cash | (697) | 27 | 36
Net increase (decrease) in cash and cash equivalents | (26,340) | 58,033 | (33,831)
Cash and cash equivalents at beginning of year | 63,471 | 5,438 | 39,269
Cash and cash equivalents at end of year | 37,131 | 63,471 | 5,438
Non-Guarantor Subsidiaries [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash (used) provided by operating activities | 7,372 | 7,420 | (11,632)
Additions to property, plant and equipment | (405) | (1,027) | (337)
Businesses acquired, net of cash acquired | 0 | 0 | 0
Proceeds from disposal of plant and equipment |  | 0 |
Change in restricted cash and cash equivalents | 0 | 0 |
Maturities of short term investments | 0 | 0 | 0
Investment in short term investments | 0 | 0 |
Other investing activities | 0 |  |
Intercompany investing activities | 0 | 0 | 0
Net cash (used) provided by investing activities | (405) | (1,027) | (337)
Repayments on revolving line of credit | 0 | 0 | 0
Borrowings on revolving line of credit | 0 | 0 | 0
Repayments of long-term debt | 0 | 0 | 0
Proceeds from issuance of common stock | 0 | 0 | 0
Excess tax benefits from stock-based awards | 0 | 0 | 0
Repurchase of common stock | 0 | 0 | 0
Payment of deferred financing costs | 0 | 0 |
Distribution to parent | (6,719) | (2,534) | (2,516)
Distribution to noncontrolling interest | (1,680) | (633) | (629)
Intercompany financing activities | (1,574) | 2,595 | 16,987
Net cash provided (used) by financing activities | (9,973) | (572) | 13,842
Effect of exchange rates on cash | 222 | (18) | (263)
Net increase (decrease) in cash and cash equivalents | (2,784) | 5,803 | 1,610
Cash and cash equivalents at beginning of year | 12,806 | 7,003 | 5,393
Cash and cash equivalents at end of year | 10,022 | 12,806 | 7,003
Guarantor Subsidiaries [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash (used) provided by operating activities | 105,744 | 125,720 | 17,116
Additions to property, plant and equipment | (18,938) | (9,425) | (16,179)
Businesses acquired, net of cash acquired | 0 | (20,282) | (4,835)
Proceeds from disposal of plant and equipment |  | 8,737 |
Change in restricted cash and cash equivalents | 0 | 0 |
Maturities of short term investments | 0 | 0 | 0
Investment in short term investments | 0 | 0 |
Other investing activities | 0 |  |
Intercompany investing activities | (88,905) | (104,926) | 2,923
Net cash (used) provided by investing activities | (107,843) | (125,896) | (18,091)
Repayments on revolving line of credit | 0 | 0 | 0
Borrowings on revolving line of credit | 0 | 0 | 0
Repayments of long-term debt | (27) | (124) | (126)
Proceeds from issuance of common stock | 0 | 0 | 0
Excess tax benefits from stock-based awards | 0 | 0 | 0
Repurchase of common stock | 0 | 0 | 0
Payment of deferred financing costs | 0 | 0 |
Distribution to parent | 0 | 0 | 0
Distribution to noncontrolling interest | 0 | 0 | 0
Intercompany financing activities | 0 | 0 | 0
Net cash provided (used) by financing activities | (27) | (124) | (126)
Effect of exchange rates on cash | 158 | (16) | 3
Net increase (decrease) in cash and cash equivalents | (1,968) | (316) | (1,098)
Cash and cash equivalents at beginning of year | 2,399 | 2,715 | 3,813
Cash and cash equivalents at end of year | 431 | 2,399 | 2,715
Eliminations [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash (used) provided by operating activities | (6,719) | (2,534) | (2,516)
Additions to property, plant and equipment | 0 | 0 | 0
Businesses acquired, net of cash acquired | 0 | 0 | 0
Proceeds from disposal of plant and equipment |  | 0 |
Change in restricted cash and cash equivalents | 0 | 0 |
Maturities of short term investments | 0 | 0 | 0
Investment in short term investments | 0 | 0 |
Other investing activities | 0 |  |
Intercompany investing activities | 82,310 | 111,652 | (11,909)
Net cash (used) provided by investing activities | 82,310 | 111,652 | (11,909)
Repayments on revolving line of credit | 0 | 0 | 0
Borrowings on revolving line of credit | 0 | 0 | 0
Repayments of long-term debt | 0 | 0 | 0
Proceeds from issuance of common stock | 0 | 0 | 0
Excess tax benefits from stock-based awards | 0 | 0 | 0
Repurchase of common stock | 0 | 0 | 0
Payment of deferred financing costs | 0 | 0 |
Distribution to parent | 6,719 | 2,534 | 2,516
Distribution to noncontrolling interest | 0 | 0 | 0
Intercompany financing activities | (82,310) | (111,652) | 11,909
Net cash provided (used) by financing activities | (75,591) | (109,118) | 14,425
Effect of exchange rates on cash | 0 | 0 | 0
Net increase (decrease) in cash and cash equivalents | 0 | 0 | 0
Cash and cash equivalents at beginning of year | 0 | 0 | 0
Cash and cash equivalents at end of year | $ 0 | $ 0 | $ 0

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3044-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 230 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49171198&loc=d3e33268-110906 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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