XML 159 R51.htm IDEA: XBRL DOCUMENT
v3.20.1

Revenue - Contract Liabilities (Details) - USD ($) $ in Thousands | Mar. 29, 2020 | Dec. 31, 2019 | Mar. 31, 2019
--- | --- | --- | ---
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Roll Forward] |  |  |
Balance, beginning of period | $ 29,745 | $ 30,228 | $ 29,055
Balance, end of period | $ 29,434 | $ 29,745 | $ 30,228

X
- References No definition available. + Details
Name: | us-gaap_ChangeInContractWithCustomerAssetAndLiabilityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant