Changes in Carrying Amount of Goodwill, by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Feb. 29, 2020	Nov. 30, 2019	Aug. 31, 2019
Goodwill [Line Items]
Balance as of May 31, 2019	$ 1,259,556	$ 1,249,818	$ 1,245,762
Acquisitions	10,352	3,023	14,689
Translation adjustments	(4,671)	6,715	(10,633)
Balance as of August 31, 2019	1,265,237	1,259,556	1,249,818
CPG Segment
Goodwill [Line Items]
Balance as of May 31, 2019	419,738	418,540
Allocation to new segments			407,429
Acquisitions			14,689
Translation adjustments	(3,321)	1,198	(3,578)
Balance as of August 31, 2019	416,417	419,738	418,540
PCG Segment
Goodwill [Line Items]
Balance as of May 31, 2019	188,388	182,682
Allocation to new segments			185,259
Acquisitions		3,023
Translation adjustments	(435)	2,683	(2,577)
Balance as of August 31, 2019	187,953	188,388	182,682
Industrial Segment
Goodwill [Line Items]
Balance as of May 31, 2019			526,419
Allocation to new segments			(526,419)
Consumer Segment
Goodwill [Line Items]
Balance as of May 31, 2019	498,054	495,819	499,387
Translation adjustments	(473)	2,235	(3,568)
Balance as of August 31, 2019	497,581	498,054	495,819
Specialty Segment
Goodwill [Line Items]
Balance as of May 31, 2019	153,376	152,777	219,956
Allocation to new segments			(66,269)
Acquisitions	10,352
Translation adjustments	(442)	599	(910)
Balance as of August 31, 2019	$ 163,286	$ 153,376	$ 152,777