UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF PARTNERS’ DEFICIT - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 27, 2022	Mar. 28, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, value	$ (698,488)	$ (666,437)
Net income (loss)	(88,509)	(110,416)
Limited partnership units related to equity-based compensation	(1,458)	882
Tax effect of units involved in treasury unit transactions	(1,979)	(1,548)
Foreign currency translation adjustment	2,853	(3,091)
Ending balance, value	$ (787,581)	$ (780,610)
Limited Partners
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, units (in shares)	56,854	56,706
Beginning balance, value	$ (712,714)	$ (674,319)
Net income (loss)	$ (88,508)	$ (110,415)
Limited partnership units related to equity-based compensation (in shares)	188	122
Limited partnership units related to equity-based compensation	$ (1,458)	$ 882
Tax effect of units involved in treasury unit transactions	$ (1,979)	$ (1,548)
Ending balance, units (in shares)	57,042	56,828
Ending balance, value	$ (804,659)	$ (785,400)
General Partner’s Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, value	(7)	(7)
Net income (loss)	(1)	(1)
Ending balance, value	(8)	(8)
Special L.P. Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, value	5,290	5,290
Ending balance, value	5,290	5,290
Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, value	8,943	2,599
Foreign currency translation adjustment	2,853	(3,091)
Ending balance, value	$ 11,796	$ (492)