Condensed Unaudited Consolidated Statements of Shareholders' Equity - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]
Balance at Oct. 31, 2020	$ 472.3	$ 0.1	$ 496.1	$ (21.1)	$ (2.8)
Balance, shares at Oct. 31, 2020		63,403,326
Stock-based compensation expense	1.9		1.9
Exercise of common stock options	0.2		0.2
Exercise of common stock options, shares		6,000
Vesting and issuance of restricted and performance stock units and awards, net of forfeitures and employee tax withholdings	(1.1)		(1.1)
Vesting and issuance of restricted and performance stock units and awards, net of forfeitures and employee tax withholdings, shares		901,313
Settlement of liability classified award	2.0		2.0
Settlement of liability classified award, shares		169,142
Balance at Jan. 31, 2021	475.3	$ 0.1	499.1	(21.1)	(2.8)
Balance, shares at Jan. 31, 2021		64,479,781
Balance at Oct. 31, 2020	472.3	$ 0.1	496.1	(21.1)	(2.8)
Balance, shares at Oct. 31, 2020		63,403,326
Other comprehensive income (loss), net of tax	(0.2)
Balance at Apr. 30, 2021	498.8	$ 0.1	502.2	(0.5)	(3.0)
Balance, shares at Apr. 30, 2021		64,734,396
Balance at Jan. 31, 2021	475.3	$ 0.1	499.1	(21.1)	(2.8)
Balance, shares at Jan. 31, 2021		64,479,781
Net income (loss)	20.6			20.6
Other comprehensive income (loss), net of tax	(0.2)				(0.2)
Stock-based compensation expense	1.6		1.6
Exercise of common stock options	1.5		1.5
Exercise of common stock options, shares		191,000
Issuance of restricted stock shares net of forfeitures and tax withholdings, Shares		63,615
Balance at Apr. 30, 2021	498.8	$ 0.1	502.2	(0.5)	(3.0)
Balance, shares at Apr. 30, 2021		64,734,396
Balance at Oct. 31, 2021	518.8	$ 0.1	502.1	16.7	(0.1)
Balance, shares at Oct. 31, 2021		64,584,291
Net income (loss)	(0.7)			(0.7)
Other comprehensive income (loss), net of tax	0.1				0.1
Stock-based compensation expense	2.3		2.3
Exercise of common stock options, shares		2,400
Vesting and issuance of restricted and performance stock units and awards, net of forfeitures and employee tax withholdings	(2.1)		(2.1)
Vesting and issuance of restricted and performance stock units and awards, net of forfeitures and employee tax withholdings, shares		274,485
Issuance of restricted stock awards, net of forfeitures and employee tax withholdings on vested awards	(2.6)		(2.6)
Issuance of restricted stock shares net of forfeitures and tax withholdings, Shares		242,999
Repurchase and retirement of common stock	(24.4)		(24.4)
Repurchase and retirement of common stock, Shares		(1,980,159)
Dividends declared on common stock	(3.3)			(3.3)
Balance at Jan. 31, 2022	488.1	$ 0.1	475.3	12.7
Balance, shares at Jan. 31, 2022		63,124,016
Balance at Oct. 31, 2021	518.8	$ 0.1	502.1	16.7	(0.1)
Balance, shares at Oct. 31, 2021		64,584,291
Repurchase and retirement of common stock		$ (45.9)
Repurchase and retirement of common stock, Shares		(3,656,281)
Balance at Apr. 30, 2022	463.5	$ 0.1	456.0	7.3	0.1
Balance, shares at Apr. 30, 2022		61,447,894
Balance at Jan. 31, 2022	488.1	$ 0.1	475.3	12.7
Balance, shares at Jan. 31, 2022		63,124,016
Net income (loss)	(2.3)			(2.3)
Other comprehensive income (loss), net of tax	0.1				0.1
Stock-based compensation expense	2.2		2.2
Repurchase and retirement of common stock	(21.5)	$ (21.5)	(21.5)
Repurchase and retirement of common stock, Shares		(1,676,122)
Dividends declared on common stock	(3.1)			(3.1)
Balance at Apr. 30, 2022	$ 463.5	$ 0.1	$ 456.0	$ 7.3	$ 0.1
Balance, shares at Apr. 30, 2022		61,447,894