Results of Reportable Segments (Detail) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		May 31, 2020	Feb. 29, 2020	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2020		May 31, 2019		May 31, 2018
Segment Reporting Information [Line Items]
Net Sales		$ 1,458,962	$ 1,173,976	$ 1,401,292	$ 1,472,764	$ 1,601,401	$ 1,140,630	$ 1,362,531	$ 1,459,989	$ 5,506,994	[1]	$ 5,564,551	[1]	$ 5,321,643	[1]
Income (Loss) Before Income Taxes										407,764		339,845		417,048
Identifiable Assets		5,630,954				5,441,355				5,630,954		5,441,355		5,271,822
Capital Expenditures										157,279		136,757		114,619
Depreciation and Amortization										156,842		141,742		128,499
Operating Segments | CPG Segment
Segment Reporting Information [Line Items]
Net Sales	[1]									1,880,105		1,899,744		1,837,280
Income (Loss) Before Income Taxes										209,663		178,823		174,032
Identifiable Assets		1,622,632				1,573,329				1,622,632		1,573,329		1,531,485
Capital Expenditures										63,393		40,119		39,368
Depreciation and Amortization										46,491		44,150		41,538
Operating Segments | PCG Segment
Segment Reporting Information [Line Items]
Net Sales	[1]									1,080,701		1,136,119		1,088,606
Income (Loss) Before Income Taxes										102,345		77,388		112,614
Identifiable Assets		925,569				951,644				925,569		951,644		974,104
Capital Expenditures										23,868		22,158		22,102
Depreciation and Amortization										23,850		27,116		21,394
Operating Segments | Consumer Segment
Segment Reporting Information [Line Items]
Net Sales	[1]									1,945,220		1,858,453		1,722,220
Income (Loss) Before Income Taxes										198,024		217,448		171,872
Identifiable Assets		2,067,017				1,953,279				2,067,017		1,953,279		1,833,372
Capital Expenditures										47,331		45,039		38,341
Depreciation and Amortization										56,570		40,231		36,744
Operating Segments | SPG Segments
Segment Reporting Information [Line Items]
Net Sales	[1]									600,968		670,235		673,537
Income (Loss) Before Income Taxes										57,933		86,018		107,455
Identifiable Assets		728,449				689,133				728,449		689,133		684,254
Capital Expenditures										21,610		28,006		14,213
Depreciation and Amortization										24,111		25,199		23,085
Corporate/Other
Segment Reporting Information [Line Items]
Income (Loss) Before Income Taxes										(160,201)		(219,832)		(148,925)
Identifiable Assets		$ 287,287				$ 273,970				287,287		273,970		248,607
Capital Expenditures										1,077		1,435		595
Depreciation and Amortization										$ 5,820		$ 5,046		$ 5,738

[1] It is not practicable to obtain the information needed to disclose revenues attributable to each of our product lines.