Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Apr. 01, 2018
Condensed Consolidated Statements of Comprehensive (Loss) Income
Net (loss) income before attribution to noncontrolling interests	$ (1,598)	$ 18,086
Other comprehensive (loss) income, before tax:
Foreign currency translation adjustments	1,733	1,983
Interest rate swaps	(3,955)	6,718
Other comprehensive (loss) income, before tax	(2,222)	8,701
Income tax effect:
Foreign currency translation adjustments	(399)	(473)
Interest rate swaps	918	(1,545)
Income tax effect	519	(2,018)
Other comprehensive (loss) income, net of tax	(1,703)	6,683
Comprehensive (loss) income before attribution to noncontrolling interests	(3,301)	24,769
Less: comprehensive loss (income), redeemable noncontrolling interests	119	(344)
Less: comprehensive income, nonredeemable noncontrolling interests	(252)	(299)
Comprehensive (loss) income attributable to the Company	$ (3,434)	$ 24,126

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e557-108580

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 1B
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669625-108580

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 1A
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669619-108580