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Valuation and Qualifying Accounts and Reserves (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 30, 2012 | Jan. 01, 2012 | Jan. 02, 2011
Restructuring Reserve [Member] |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
BALANCE, AT BEGINNING OF YEAR | $ 4,112 | $ 521 | $ 1,953
CHARGED TO COSTS AND EXPENSES | 18,927 | 5,755 | 2,943
CHARGED TO OTHER ACCOUNTS | 9,364 | 776 | 0
DEDUCTIONS | 9,325 | 1,388 | 4,375
BALANCE, AT END OF YEAR | 4,350 | 4,112 | 521
Reserves for Sales Returns and Allowances [Member] |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
BALANCE, AT BEGINNING OF YEAR | 4,276 | 4,475 | 3,334
CHARGED TO COSTS AND EXPENSES | 1,441 | 1,887 | 3,195
CHARGED TO OTHER ACCOUNTS | 0 | 0 | 0
DEDUCTIONS | 2,618 | 2,086 | 2,054
BALANCE, AT END OF YEAR | 3,099 | 4,276 | 4,475
Warranty Reserves [Member] |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
BALANCE, AT BEGINNING OF YEAR | 871 | 830 | 841
CHARGED TO COSTS AND EXPENSES | 361 | 41 | 489
CHARGED TO OTHER ACCOUNTS | 0 | 0 | 0
DEDUCTIONS | 0 | 0 | 500
BALANCE, AT END OF YEAR | 1,232 | 871 | 830
Inventory Reserve [Member] |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
BALANCE, AT BEGINNING OF YEAR | 10,366 | 10,733 | 13,044
CHARGED TO COSTS AND EXPENSES | 4,252 | 2,644 | 3,391
CHARGED TO OTHER ACCOUNTS | 0 | 0 | 0
DEDUCTIONS | 1,672 | 3,011 | 5,702
BALANCE, AT END OF YEAR | 12,946 | 10,366 | 10,733
Allowance for Doubtful Accounts [Member] |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
BALANCE, AT BEGINNING OF YEAR | 8,920 | 9,631 | 12,288
CHARGED TO COSTS AND EXPENSES | 1,338 | 1,454 | 1,318
CHARGED TO OTHER ACCOUNTS | 0 | 0 | 0
DEDUCTIONS | 1,440 | 2,165 | 3,975
BALANCE, AT END OF YEAR | $ 8,818 | $ 8,920 | $ 9,631

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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to costs and expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to accounts other than costs and expenses in a given period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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- Definition Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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