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The net result for the period of deducting operating expenses from operating revenues.

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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, 2018	Aug. 31, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2017	Aug. 31, 2017	May 31, 2017	Feb. 28, 2017	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 191.3	$ 193.6	$ 206.3	$ 178.7	$ 186.3	$ 200.9	$ 221.3	$ 174.6	$ 769.8	$ 783.1	$ 759.9
Total segment operating profit									60.9	47.3	68.3
Total Assets:	589.2				612.8				589.2	612.8	687.3
Long-Lived Assets:	205.8				208.9				205.8	208.9	202.7
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									449.6	481.7	454.0
Total segment operating profit									37.1	38.4	56.7
Total Assets:	246.4				313.5				246.4	313.5	362.4
Long-Lived Assets:	115.7				124.7				115.7	124.7	125.3
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									164.0	141.4	129.9
Total segment operating profit									18.6	17.4	10.9
Total Assets:	261.1				205.9				261.1	205.9	197.9
Long-Lived Assets:	61.1				49.8				61.1	49.8	45.3
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									156.2	160.0	176.0
Total segment operating profit									5.2	(8.5)	0.7
Total Assets:	81.7				93.4				81.7	93.4	127.0
Long-Lived Assets:	$ 29.0				$ 34.4				$ 29.0	$ 34.4	$ 32.1