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Valuation and Qualifying Accounts and Reserves (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Jan. 02, 2016 | Jan. 03, 2015
Allowance for doubtful accounts |  |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Balance at Beginning of Period |  | $ 2,226 | $ 3,287 | $ 3,477
Additions charged to Costs and Expenses |  | 363 | (446) | 99
Additions charged to Other Accounts |  | 384 | 0 | 0
Deductions | [1] | 0 | (615) | (289)
Balance at End of Period |  | 2,973 | 2,226 | 3,287
Inventory and other reserves |  |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Balance at Beginning of Period |  | 4,065 | 7,107 | 5,859
Additions charged to Costs and Expenses |  | 5,109 | 7,593 | 11,822
Additions charged to Other Accounts |  | 0 | 0 | 0
Deductions | [1] | (5,471) | (10,635) | (10,574)
Balance at End of Period |  | 3,703 | 4,065 | 7,107
Tax valuation allowance |  |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Balance at Beginning of Period |  | 28,280 | 34,640 | 36,372
Additions charged to Costs and Expenses |  | 2,258 | 1,056 | 3,183
Additions charged to Other Accounts |  | (483) | (2,631) | 0
Deductions | [1] | (11,778) | (4,785) | (4,915)
Balance at End of Period |  | $ 18,277 | $ 28,280 | $ 34,640
[1] | Primarily represents the utilization of established reserves, net of recoveries, where applicable.

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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 FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&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 FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Valuation Allowances and Reserves Charged to Cost and Expense Net + References No definition available. + Details
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- Definition Valuation Allowances and Reserves Net Charged to Other Accounts + References No definition available. + Details
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