Condensed Consolidated Statements of Stockholders' Deficit (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 26, 2021	Sep. 27, 2020	Sep. 26, 2021	Sep. 27, 2020
Accumulated other comprehensive income (loss)	$ (9,910)	$ (18,510)	$ (9,910)	$ (18,510)
Unrealized foreign currency translation gains (losses)	(3,499)	(6,705)	(3,499)	(6,705)
Net unrealized gain (loss) on the interest rate swap agreements	(6,411)	(11,805)	(6,411)	(11,805)
Joint ventures
Net income (loss) allocated to the redeemable noncontrolling interest from joint venture arrangements	$ 692	$ 301	$ 2,192	$ 1,184

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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