Income Taxes - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended
Mar. 27, 2020	Mar. 31, 2020	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Income tax expense (benefit)		$ 8.0	$ (21.0)
Effective income tax rate		(1.00%)	18.00%
Discontinued operations, income tax expense		$ 6.0
Discontinued operations, effective tax rate		(77.00%)
CARES act of 2020, percentage of taxable income related to net operating losses carryforwards and carrybacks	100.00%
CARES act of 2020, net operating loss carryback period	5 years
CARES act of 2020, increase in income tax rate for interest deduction		50.00%	30.00%
CARES act of 2020, net operating loss tax benefit		$ 12.7
CARES act of 2020, net operating loss previous carryback period		5 years

CARES Act of 2020, increase in income tax rate for interest deduction.

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CARES Act of 2020, net operating loss carryback income tax expense benefit.

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CARES Act of 2020, net operating loss carryback period.

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CARES Act of 2020, net operating loss previous carryback period

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CARES Act of 2020 percentage of taxable income related to net operating losses carryforwards and carrybacks.

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Effective tax rate discontinued operations.

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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