CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Non-Controlling Interests	Common Class A Common Stock	Common Class L Common Stock
Beginning balance (in shares) at Mar. 27, 2020		0					10,000,000	622,470
Beginning balance at Mar. 27, 2020	$ 634,132	$ 0	$ 458,697	$ 194,355	$ (19,976)	$ 950	$ 100	$ 6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	9,412			9,309		103
Issuance of common stock (in shares)		25,000,000						15,828
Issuance of common stock	321,425	$ 250	321,175
Capitalization changes related to organizational structure of affiliates and direct and indirect interests in subsidiaries	(19,165)		(19,165)
Stock-based compensation	46,901		46,901
Conversion of Class A and Class L common stock into common stock in connection with the IPO (in shares)		166,500,000					(10,000,000)	(636,301)
Conversion of Class A and Class L common stock into common stock in connection with the IPO		$ 1,665	(1,559)				$ (100)	$ (6)
Repurchase of Class A and Class L common stock to cover related taxes (in shares)		(2,068,274)						(1,997)
Repurchase of Class A and Class L common stock to cover related taxes	(27,707)	$ (21)	(27,686)
Conversion of LTCIP/TRIP awards into restricted stock units in connection with the IPO	2,081		2,081
Cash dividend paid to holders of Class A common stock	(400,000)		(191,242)	(208,758)
Foreign currency translation adjustment	10,152				10,118	34
Net actuarial loss amortization of net transition obligation and prior service costs related to defined benefit plans, net of tax	313				313
Ending balance (in shares) at Dec. 25, 2020		189,431,726					0	0
Ending balance at Dec. 25, 2020	576,918	$ 1,894	589,202	(5,094)	(10,171)	1,087	$ 0	$ 0
Beginning balance (in shares) at Sep. 25, 2020		0					10,000,000	638,298
Beginning balance at Sep. 25, 2020	635,506	$ 0	439,732	208,759	(14,133)	1,042	$ 100	$ 6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(5,060)			(5,095)		35
Issuance of common stock (in shares)		25,000,000
Issuance of common stock	321,425	$ 250	321,175
Capitalization changes related to organizational structure of affiliates and direct and indirect interests in subsidiaries	527		527
Reclassification of certain class L shares	298		298
Stock-based compensation	45,876		45,876
Conversion of Class A and Class L common stock into common stock in connection with the IPO (in shares)		166,500,000					(10,000,000)	(636,301)
Conversion of Class A and Class L common stock into common stock in connection with the IPO		$ 1,665	(1,559)				$ (100)	$ (6)
Repurchase of Class A and Class L common stock to cover related taxes (in shares)		(2,068,274)						(1,997)
Repurchase of Class A and Class L common stock to cover related taxes	(27,707)	$ (21)	(27,686)
Conversion of LTCIP/TRIP awards into restricted stock units in connection with the IPO	2,081		2,081
Cash dividend paid to holders of Class A common stock	(400,000)		(191,242)	(208,758)
Foreign currency translation adjustment	3,972				3,962	10
Net actuarial loss amortization of net transition obligation and prior service costs related to defined benefit plans, net of tax	0
Ending balance (in shares) at Dec. 25, 2020		189,431,726					0	0
Ending balance at Dec. 25, 2020	$ 576,918	$ 1,894	589,202	(5,094)	(10,171)	1,087	$ 0	$ 0
Beginning balance (in shares) at Mar. 26, 2021	189,588,161	189,588,161
Beginning balance at Mar. 26, 2021	$ 586,871	$ 1,896	592,170	3,551	(11,865)	1,119
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	93,903			93,791		112
Employee stock purchase plan issuances (in shares)		59,563
Employee stock purchase plan issuances	1,291		1,291
Stock-based compensation, net of forfeitures (in shares)		149,421
Stock-based compensation, net of forfeitures	18,647	$ 2	18,645
Foreign currency translation adjustment	(4,873)				(4,812)	(61)
Net actuarial loss amortization of net transition obligation and prior service costs related to defined benefit plans, net of tax	$ 0
Ending balance (in shares) at Dec. 24, 2021	189,797,145	189,797,145
Ending balance at Dec. 24, 2021	$ 695,839	$ 1,898	612,106	97,342	(16,677)	1,170
Beginning balance (in shares) at Sep. 24, 2021		189,702,550
Beginning balance at Sep. 24, 2021	656,553	$ 1,897	604,488	64,406	(15,368)	1,130
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	32,973			32,936		37
Stock-based compensation, net of forfeitures (in shares)		94,595
Stock-based compensation, net of forfeitures	7,619	$ 1	7,618
Foreign currency translation adjustment	(1,306)				(1,309)	3
Net actuarial loss amortization of net transition obligation and prior service costs related to defined benefit plans, net of tax	$ 0
Ending balance (in shares) at Dec. 24, 2021	189,797,145	189,797,145
Ending balance at Dec. 24, 2021	$ 695,839	$ 1,898	$ 612,106	$ 97,342	$ (16,677)	$ 1,170