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Business Segment Information - Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 169.2	$ 192.4	$ 205.7	$ 168.9	$ 191.3	$ 193.6	$ 206.3	$ 178.7	$ 736.2	$ 769.8	$ 783.1
Total segment operating profit									50.4	60.9	47.3
Total Assets:	556.1				589.2				556.1	589.2	612.8
Long-Lived Assets:	209.0				205.8				209.0	205.8	208.9
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales										449.6	481.7
Total segment operating profit									28.7	37.1	38.4
Total Assets:	237.7				246.4				237.7	246.4	313.5
Long-Lived Assets:	124.1				115.7				124.1	115.7	124.7
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									200.1	164.0	141.4
Total segment operating profit									15.0	18.6	17.4
Total Assets:	233.5				261.1				233.5	261.1	205.9
Long-Lived Assets:	57.8				61.1				57.8	61.1	49.8
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									107.9	156.2	160.0
Total segment operating profit									6.7	5.2	(8.5)
Total Assets:	84.9				81.7				84.9	81.7	93.4
Long-Lived Assets:	$ 27.1				$ 29.0				$ 27.1	$ 29.0	$ 34.4