Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Income Statement [Abstract]
Net Sales	$ 736.2	$ 769.8	$ 783.1
Cost of goods sold (exclusive of depreciation)	560.0	579.1	582.3
Gross profit	176.2	190.7	200.8
Selling, general, and administrative	109.7	106.2	118.6
Depreciation and amortization	31.3	30.2	27.9
Asset impairments	7.8	13.5	32.9
(Gain) Loss on asset sales	(4.0)	(0.9)	0.4
Restructuring and severance	5.3	3.5	5.7
Realized foreign currency translation losses	17.9	0.0	0.0
Interest expense	20.0	19.3	21.5
Debt issuance costs write-off	0.2	0.8	0.0
Acquisition and integration related expense	10.1	4.1	0.3
Other (income) expense, net	(3.1)	(0.5)	(2.4)
Total Other Costs and Expenses	195.2	176.2	204.9
Income (loss) before income taxes	(19.0)	14.5	(4.1)
Income tax (expense) benefit	(3.4)	6.2	(83.7)
Net Income (loss)	$ (22.4)	$ 20.7	$ (87.8)
Income (Loss) Per Share—Basic and Diluted
Net income (loss) per share - Basic and Diluted	$ (0.50)	$ 0.46	$ (1.98)
Weighted average shares outstanding - Basic	44.8	44.6	44.4
Weighted average shares outstanding - Diluted	44.8	44.9	44.4