Acquisitions - Schedule of Acquisition of Identifiable Intangible Assets (Detail) - AMTROL - USD ($) $ in Thousands	12 Months Ended
	May 31, 2018	Jun. 02, 2017
Business Acquisition [Line Items]
Total acquired identifiable intangible assets	$ 166,000	$ 166,000
Trade Names
Business Acquisition [Line Items]
Acquired indefinite lived intangible assets	62,200
Customer relationships
Business Acquisition [Line Items]
Acquired finite lived intangible assets	90,800
Technology
Business Acquisition [Line Items]
Acquired finite lived intangible assets	$ 13,000
Minimum | Customer relationships
Business Acquisition [Line Items]
Useful Life (Years)	14 years
Minimum | Technology
Business Acquisition [Line Items]
Useful Life (Years)	15 years
Maximum | Customer relationships
Business Acquisition [Line Items]
Useful Life (Years)	17 years
Maximum | Technology
Business Acquisition [Line Items]
Useful Life (Years)	16 years