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Revenue Recognition - Contract Balances (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Apr. 01, 2018 | Jan. 01, 2018
Revenue, Major Customer [Line Items] |  |
Contract liabilities | $ 31,093 | $ 30,574
Change | 518 |
Revenue recognized related to deferred revenue and customer loyalty program | 3,900 |
Deferred revenue. |  |
Revenue, Major Customer [Line Items] |  |
Contract liabilities | 16,071 | 15,850
Change | 220 |
Customer loyalty program |  |
Revenue, Major Customer [Line Items] |  |
Contract liabilities | 15,022 | $ 14,724
Change | $ 298 |

X
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130532-203044 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044 + Details
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- Details
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