Goodwill and Other Intangible Assets (Tables)

12 Months Ended

May 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill, by Reportable Segment

The changes in the carrying amount of goodwill, by reportable segment, for the years ended May 31, 2018 and 2017, are as follows:

	Industrial			Specialty			Consumer
(In thousands)	Segment			Segment			Segment			Total
Balance as of June 1, 2016	$	475,409		$	171,714		$	572,507		$	1,219,630
Acquisitions		41,268			3,273			30,820			75,361
Impairments								(141,394	)		(141,394	)
Translation adjustments		(342	)		(1,009	)		(8,333	)		(9,684	)
Balance as of May 31, 2017		516,335			173,978			453,600			1,143,913
Acquisitions		19,736			2,643			21,277			43,656
Translation adjustments		1,247			517			2,841			4,605
Balance as of May 31, 2018	$	537,318		$	177,138		$	477,718		$	1,192,174

Other Intangible Assets Major Classes

Other intangible assets consist of the following major classes:

		Gross					Net Other
	Amortization	Carrying		Accumulated			Intangible
(In thousands)	Period (In Years)	Amount		Amortization			Assets
As of May 31, 2018
Amortized intangible assets
Formulae	10 to 33	$	221,812	$	(140,160	)	$	81,652
Customer-related intangibles	5 to 33		369,687		(147,831	)		221,856
Trademarks/names	5 to 40		36,671		(17,998	)		18,673
Other	2 to 30		37,589		(24,946	)		12,643
Total Amortized Intangibles			665,759		(330,935	)		334,824
Indefinite-lived intangible assets
Trademarks/names			249,448					249,448
Total Other Intangible Assets		$	915,207	$	(330,935	)	$	584,272
As of May 31, 2017
Amortized intangible assets
Formulae	5 to 33	$	214,677	$	(128,825	)	$	85,852
Customer-related intangibles	5 to 33		339,892		(122,772	)		217,120
Trademarks/names	5 to 40		36,461		(15,480	)		20,981
Other	2 to 20		37,545		(21,288	)		16,257
Total Amortized Intangibles			628,575		(288,365	)		340,210
Indefinite-lived intangible assets
Trademarks/names			232,882					232,882
Total Other Intangible Assets		$	861,457	$	(288,365	)	$	573,092