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Operating Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Aug. 31, 2019	Sep. 01, 2018	Jun. 01, 2019
Segment Reporting Information
Net sales	$ 670.9	$ 624.6
Operating Earnings (Loss):	60.1	46.0
Total Assets	1,784.8		$ 1,569.3
North America Contract
Segment Reporting Information
Net sales	458.4	421.0
Operating Earnings (Loss):	62.9	48.1
Total Assets	800.6		733.6
International Contract
Segment Reporting Information
Net sales	113.9	115.4
Operating Earnings (Loss):	13.1	10.5
Total Assets	366.8		356.8
Retail
Segment Reporting Information
Net sales	98.6	88.2
Operating Earnings (Loss):	(3.9)	2.1
Total Assets	448.9		310.0
Corporate
Segment Reporting Information
Operating Earnings (Loss):	(12.0)	$ (14.7)
Total Assets	$ 168.5		$ 168.9

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