Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2017	Mar. 27, 2016
Consolidated Statements of Comprehensive Income (Unaudited)
Net income before attribution to noncontrolling interests	$ 29,899	$ 28,051
Other comprehensive income (loss), before tax:
Foreign currency income (loss) adjustments	613	(2,071)
Interest rate swaps	(468)	(3,289)
Other comprehensive income (loss), before tax	145	(5,360)
Income tax effect:
Foreign currency translation adjustments	(227)	766
Interest rate swaps	173	1,217
Income tax effect	(54)	1,983
Other comprehensive income (loss), net of tax	91	(3,377)
Comprehensive income before attribution to noncontrolling interests	29,990	24,674
Comprehensive loss, redeemable noncontrolling interests	(794)	(1,244)
Comprehensive loss, nonredeemable noncontrolling interests	(677)	(625)
Comprehensive income attributable to the Company	$ 28,519	$ 22,805