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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 | 12 Months Ended
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Sep. 27, 2014 | Sep. 28, 2013 | Sep. 29, 2012
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash (used) provided by operating activities | $ 126,467 | $ (28,282) | $ 89,169
Additions to property, plant and equipment | (17,173) | (25,172) | (39,592)
Businesses acquired, net of cash acquired | (20,282) | (4,835) | 0
Proceeds from disposal of plant and equipment | 8,737 |  |
Change in restricted cash and cash equivalents | (14,283) | 0 | 0
Maturities of short term investments | 17,820 | 4,885 | 0
Investment in short term investments | (10,000) | 0 | (4,885)
Intercompany investing activities | 0 | 0 | 0
Net cash (used) provided by investing activities | (35,181) | (25,122) | (44,477)
Repayments on revolving line of credit | (301,000) | (368,000) | (339,000)
Borrowings on revolving line of credit | 278,000 | 391,000 | 304,000
Repayments of long-term debt | (367) | (332) | (353)
Proceeds from the issuance of long-term debt | 0 | 0 | 49,312
Proceeds from issuance of common stock | 1,165 | 613 | 2,129
Excess tax benefits from stock-based awards | 498 | 388 | 1,881
Repurchase of common stock | (2,332) | (2,731) | (24,829)
Payment of deferred financing costs | (3,090) | 0 | (1,715)
Distribution to parent | 0 | 0 |
Distribution to noncontrolling interest | (633) | (629) | 0
Intercompany financing activities | 0 | 0 | 0
Net cash provided (used) by financing activities | (27,759) | 20,309 | (8,575)
Effect of exchange rates on cash | (7) | (224) | 327
Net increase (decrease) in cash and cash equivalents | 63,520 | (33,319) | 36,444
Cash and cash equivalents at beginning of year | 15,156 | 48,475 | 12,031
Cash and cash equivalents at end of year | 78,676 | 15,156 | 48,475
Parent [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash (used) provided by operating activities | (4,139) | (31,250) | 7,978
Additions to property, plant and equipment | (6,721) | (8,656) | (20,357)
Businesses acquired, net of cash acquired | 0 | 0 |
Proceeds from disposal of plant and equipment | 0 |  |
Change in restricted cash and cash equivalents | (14,283) |  |
Maturities of short term investments | 17,820 | 4,885 |
Investment in short term investments | (10,000) |  | (4,885)
Intercompany investing activities | (6,726) | 8,986 | 5,153
Net cash (used) provided by investing activities | (19,910) | 5,215 | (20,089)
Repayments on revolving line of credit | (301,000) | (368,000) | (339,000)
Borrowings on revolving line of credit | 278,000 | 391,000 | 304,000
Repayments of long-term debt | (243) | (206) | (231)
Proceeds from the issuance of long-term debt |  |  | 49,312
Proceeds from issuance of common stock | 1,165 | 613 | 2,129
Excess tax benefits from stock-based awards | 498 | 388 | 1,881
Repurchase of common stock | (2,332) | (2,731) | (24,829)
Payment of deferred financing costs | (3,090) |  | (1,715)
Distribution to parent | 0 | 0 |
Distribution to noncontrolling interest | 0 | 0 |
Intercompany financing activities | 109,057 | (28,896) | 50,750
Net cash provided (used) by financing activities | 82,055 | (7,832) | 42,297
Effect of exchange rates on cash | 27 | 36 | 374
Net increase (decrease) in cash and cash equivalents | 58,033 | (33,831) | 30,560
Cash and cash equivalents at beginning of year | 5,438 | 39,269 | 8,709
Cash and cash equivalents at end of year | 63,471 | 5,438 | 39,269
Non-Guarantor Subsidiaries [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash (used) provided by operating activities | 7,420 | (11,632) | 16,008
Additions to property, plant and equipment | (1,027) | (337) | (378)
Businesses acquired, net of cash acquired | 0 | 0 |
Proceeds from disposal of plant and equipment | 0 |  |
Change in restricted cash and cash equivalents | 0 |  |
Maturities of short term investments | 0 | 0 |
Investment in short term investments | 0 |  | 0
Intercompany investing activities | 0 | 0 | 0
Net cash (used) provided by investing activities | (1,027) | (337) | (378)
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 the issuance of long-term debt |  |  | 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 | (2,534) | (2,516) |
Distribution to noncontrolling interest | (633) | (629) |
Intercompany financing activities | 2,595 | 16,987 | (12,222)
Net cash provided (used) by financing activities | (572) | 13,842 | (12,222)
Effect of exchange rates on cash | (18) | (263) | 61
Net increase (decrease) in cash and cash equivalents | 5,803 | 1,610 | 3,469
Cash and cash equivalents at beginning of year | 7,003 | 5,393 | 1,924
Cash and cash equivalents at end of year | 12,806 | 7,003 | 5,393
Guarantor Subsidiaries [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash (used) provided by operating activities | 125,720 | 17,116 | 65,183
Additions to property, plant and equipment | (9,425) | (16,179) | (18,857)
Businesses acquired, net of cash acquired | (20,282) | (4,835) |
Proceeds from disposal of plant and equipment | 8,737 |  |
Change in restricted cash and cash equivalents | 0 |  |
Maturities of short term investments | 0 | 0 |
Investment in short term investments | 0 |  | 0
Intercompany investing activities | (104,926) | 2,923 | (43,681)
Net cash (used) provided by investing activities | (125,896) | (18,091) | (62,538)
Repayments on revolving line of credit | 0 | 0 | 0
Borrowings on revolving line of credit | 0 | 0 | 0
Repayments of long-term debt | (124) | (126) | (122)
Proceeds from the issuance of long-term debt |  |  | 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 | 0 | 0 |
Distribution to noncontrolling interest | 0 | 0 |
Intercompany financing activities | 0 | 0 | 0
Net cash provided (used) by financing activities | (124) | (126) | (122)
Effect of exchange rates on cash | (16) | 3 | (108)
Net increase (decrease) in cash and cash equivalents | (316) | (1,098) | 2,415
Cash and cash equivalents at beginning of year | 2,715 | 3,813 | 1,398
Cash and cash equivalents at end of year | 2,399 | 2,715 | 3,813
Eliminations [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash (used) provided by operating activities | (2,534) | (2,516) | 0
Additions to property, plant and equipment | 0 | 0 | 0
Businesses acquired, net of cash acquired | 0 | 0 |
Proceeds from disposal of plant and equipment | 0 |  |
Change in restricted cash and cash equivalents | 0 |  |
Maturities of short term investments | 0 | 0 |
Investment in short term investments | 0 |  | 0
Intercompany investing activities | 111,652 | (11,909) | 38,528
Net cash (used) provided by investing activities | 111,652 | (11,909) | 38,528
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 the issuance of long-term debt |  |  | 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 | 2,534 | 2,516 |
Distribution to noncontrolling interest | 0 | 0 |
Intercompany financing activities | (111,652) | 11,909 | (38,528)
Net cash provided (used) by financing activities | (109,118) | 14,425 | (38,528)
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

X
- 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 -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: 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 Reference 5: 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 6: 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=31042434&loc=d3e3044-108585 + Details
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- Definition Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the 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. Includes effect from exchange rate changes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: 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=6450594&loc=d3e33268-110906 + 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=6450594&loc=d3e33268-110906 + Details
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- Definition Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11374-113907 + Details
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- Definition The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition The cash outflow for loan and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + 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 -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: 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=31042434&loc=d3e3179-108585 + Details
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- Definition The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&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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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph f -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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