Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2018	Mar. 26, 2017
Condensed Consolidated Statements of Comprehensive Income (Unaudited)
Net income before attribution to noncontrolling interests	$ 17,380	$ 29,899
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	1,983	613
Interest rate swaps	6,718	(468)
Other comprehensive income (loss), before tax	8,701	145
Income tax effect:
Foreign currency translation adjustments	(473)	(227)
Interest rate swaps	(1,545)	173
Income tax effect	(2,018)	(54)
Other comprehensive income (loss), net of tax	6,683	91
Comprehensive income before attribution to noncontrolling interests	24,063	29,990
Less: comprehensive income, redeemable noncontrolling interests	344	(794)
Less: comprehensive income, nonredeemable noncontrolling interests	299	(677)
Comprehensive income attributable to the Company	$ 24,706	$ 28,519