CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Unearned ESOP Shares	Non-controlling interests
Beginning balance at Apr. 28, 2018	$ 1,461,790		$ 948	$ 103,776	$ (74,974)	$ 1,497,766		$ (65,726)	$ 0
Beginning balance (in shares) at Apr. 28, 2018			94,756
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation	(15,583)				(15,583)
Cash flow hedges	2,288				2,288
Net income (loss)	82,876					83,628			(752)
Dividends declared	(97,898)					(97,898)
Common stock issued and related tax benefits	8,004		$ 5	7,999
Common stock issued and related tax benefits (in shares)			516
Stock based compensation	19,685			19,685
ESOP activity	15,345							15,345
Increase from asset acquisition	4,000
Ending balance at Apr. 27, 2019	1,480,507	$ 1,447	$ 953	131,460	(88,269)	1,483,496	$ 1,447	(50,381)	3,248
Ending balance (in shares) at Apr. 27, 2019			95,272
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation	(14,062)				(14,062)
Cash flow hedges	7,999				7,999
Net income (loss)	(589,367)					(588,446)			(921)
Dividends declared	(99,552)					(99,552)
Common stock issued and related tax benefits	(7,784)		$ 6	(7,790)
Common stock issued and related tax benefits (in shares)			675
Stock based compensation	22,936			22,936
ESOP activity	34,320							34,320
Adoption of ASU 2018-02	0				(2,707)	2,707
Ending balance at Apr. 25, 2020	$ 836,444		$ 959	146,606	(97,039)	799,652		(16,061)	2,327
Ending balance (in shares) at Apr. 25, 2020	96,813		95,947
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation	$ 33,405				33,405
Cash flow hedges	1,042				1,042
Net income (loss)	155,109					155,981			(872)
Dividends declared	(99,892)					(99,892)
Common stock issued and related tax benefits	1,279		$ 9	1,270
Common stock issued and related tax benefits (in shares)			866
Stock based compensation	21,223			21,223
ESOP activity	16,061							16,061
Ending balance at Apr. 24, 2021	$ 964,671		$ 968	$ 169,099	$ (62,592)	$ 855,741		$ 0	$ 1,455
Ending balance (in shares) at Apr. 24, 2021	96,813		96,813