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Deferred Costs to Obtain Customer Contracts (Narrative) (Details) - USD ($) | 12 Months Ended
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Jan. 01, 2021 | Jan. 03, 2020 | Dec. 28, 2018
Capitalized Contract Cost [Line Items] |  |  |
Deferred costs to obtain customer contracts | $ 51,300,000 | $ 45,400,000 |
Deferred Commission |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Impairment loss related to deferred commissions | 0 | 0 | $ 0
Selling and Marketing Expense |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Amortization expense related to deferred costs to obtain customer contracts | $ 22,800,000 | $ 22,300,000 | $ 23,600,000

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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Details
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