Acquisitions and Divestiture - Pro forma information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Business Acquisition [Line Items]
Increase (decrease) in pro forma net income attributable to common shareholders	$ 293,305	$ 238,673	$ 241,305	$ 210,129	$ 241,796	$ 187,084	$ 182,982	$ 194,978	$ 983,412	$ 806,840	$ 1,012,140
Fair Value Adjustments and Transaction, Operating and Acquisition Costs
Business Acquisition [Line Items]
Increase (decrease) in pro forma net income attributable to common shareholders									108,078	(39,121)
CLARCOR, Inc
Business Acquisition [Line Items]
Net sales									12,935,834	12,772,097
Net income attributable to common shareholders									$ 1,027,693	$ 748,634
Diluted earnings per share (in USD per share)									$ 7.58	$ 5.47