Changes in Carrying Amount of Goodwill, by Reportable Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2020		May 31, 2019
Goodwill [Line Items]
Goodwill beginning balance	$ 1,245,762		$ 1,192,174
Acquisitions	28,064		77,459
Translation adjustments & other	(23,760)	[1]	(23,871)
Goodwill ending balance	1,250,066		1,245,762
CPG Segment
Goodwill [Line Items]
Goodwill beginning balance	407,429		372,033
Acquisitions	14,689		47,151
Translation adjustments & other	(16,764)	[1]	(11,755)
Goodwill ending balance	405,354		407,429
PCG Segment
Goodwill [Line Items]
Goodwill beginning balance	185,259		186,775
Acquisitions	3,023		4,314
Translation adjustments & other	(2,878)	[1]	(5,830)
Goodwill ending balance	185,404		185,259
Consumer Segment
Goodwill [Line Items]
Goodwill beginning balance	499,387		477,718
Acquisitions			25,994
Translation adjustments & other	(3,169)	[1]	(4,325)
Goodwill ending balance	496,218		499,387
SPG Segments
Goodwill [Line Items]
Goodwill beginning balance	153,687		155,648
Acquisitions	10,352
Translation adjustments & other	(949)	[1]	(1,961)
Goodwill ending balance	$ 163,090		$ 153,687

[1] Activity includes a $2.3 million decrease to goodwill within our Consumer segment related to adjustments to preliminary purchase price allocations, primarily due to deferred tax adjustments.