Consolidated Statements of Comprehensive Income Statement (USD $) In Millions, unless otherwise specified	3 Months Ended
	Feb. 28, 2013	Feb. 29, 2012
Statement of Comprehensive Income [Abstract]
Net Income (loss)	$ (0.2)	$ 13.5
Foreign currency translations:
Unrealized net change during the period	2.3	2.5
Tax effect	(0.2)	0
Foreign currency translations, net of tax	2.1	2.5
Interest rate swap:
Amortization of unrecognized gain on interest rate swap reclassified into interest expense	0	0.7
Tax effect	0	(0.3)
Interest rate swap, net of tax	0	0.4
Actuarial net (loss) gain:
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax	0.8	0.4
Prior service cost:
Amortization of prior service costs included in net period pension expense	0.1	(0.1)
Tax effect in defined benefit plans	(0.4)	(0.1)
Defined benefit plans, net of tax	0.5	0.2
Other comprehensive income , net of tax	2.6	3.1
Comprehensive income	$ 2.4	$ 16.6