Consolidated Statement of Shareholders' Equity - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Deficit) [Member]	Non-controlling Interest [Member]	Accumulated Other Comprehensive Loss [Member]
Balance at Oct. 31, 2017	$ 572.5	$ 0.1	$ 532.0	$ 40.4
Balance, shares at Oct. 31, 2017		64,145,945
Net (loss) income	13.0			13.0
Other comprehensive loss, net of tax	(1.4)					$ (1.4)
Stock-based compensation expense	3.8		3.8
Exercise of common stock options	9.7		9.7
Exercise of common stock options, shares		1,757,984
Vesting of restricted stock, net of employee tax withholding	(0.1)		(0.1)
Vesting of restricted stock, net of employee tax withholding, Shares		13,231
Repurchase and retirement of common stock	(53.3)		(53.3)
Repurchase and retirement of common stock, Shares		(3,233,352)
Dividends declared on common stock	(12.8)			(12.8)
Investment in non-controlling interest	1.0				$ 1.0
Balance at Oct. 31, 2018	532.4	$ 0.1	492.1	40.6	1.0	(1.4)
Balance, shares at Oct. 31, 2018		62,683,808
Net (loss) income	(12.3)			(12.3)
Net loss attributable to non-controlling interest	(0.8)				(0.8)
Other comprehensive loss, net of tax	(0.3)					(0.3)
Stock-based compensation expense	6.4		6.4
Exercise of common stock options	0.6		0.6
Exercise of common stock options, shares		99,999
Vesting of restricted stock, net of employee tax withholding, Shares		151,276
Repurchase and retirement of common stock	(8.3)	$ (8.3)	(8.3)
Repurchase and retirement of common stock, Shares		(717,597)
Dividends declared on common stock	(12.5)			(12.5)
Balance at Oct. 31, 2019	505.2	$ 0.1	490.8	15.8	0.2	(1.7)
Balance, shares at Oct. 31, 2019		62,217,486
Net (loss) income	(30.5)			(30.5)
Sale of business	(0.2)				$ (0.2)
Other comprehensive loss, net of tax	(1.1)					(1.1)
Stock-based compensation expense	7.4		7.4
Exercise of common stock options	$ 0.8		0.8
Exercise of common stock options, shares	130,000	130,000
Vesting and issuance of restricted stock units and awards, net of forfeitures and employee tax withholdings	$ (1.2)		(1.2)
Vesting and issuance of restricted stock units and awards, net of forfeitures and employee tax withholdings, shares		1,055,840
Reclassification of Liability Awards	(1.7)		(1.7)
Dividends declared on common stock	(6.4)			(6.4)
Balance at Oct. 31, 2020	$ 472.3	$ 0.1	$ 496.1	$ (21.1)		$ (2.8)
Balance, shares at Oct. 31, 2020		63,403,326