Income Taxes - Narrative (Details) - USD ($) $ in Millions			10 Months Ended	12 Months Ended
Jan. 01, 2018	Dec. 31, 2017	Oct. 31, 2018	Dec. 31, 2019	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Income Taxes
Corporate income tax rate	21.00%	35.00%	23.30%	21.00%	21.00%	23.30%	35.00%
Limitation of executive compensation					$ 0.2
Domestic production deduction tax benefit						$ 0.8
Gross deferred tax assets			$ 19.1		18.5	19.1
Gross deferred tax liabilities			14.8		15.0	14.8
Income before income taxes related to domestic operations					47.9	45.8	$ 57.5
Income (loss) before income taxes related to foreign operations					1.6	(1.1)	$ 0.2
Unrecognized tax benefits			$ 0.1		$ 0.1	$ 0.1

The limitation of executive compensation limitation of executive compensation for tax purposes.

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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Amount of the difference between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for qualified production activity.

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Amount of unrecognized tax benefits.

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