Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 30, 2017	Dec. 30, 2017	Dec. 31, 2016
Operating Loss Carryforwards [Line Items]
Statutory federal income tax rate		35.00%
Deferred tax assets, Valuation Allowance	$ 14.5	$ 14.5	$ 11.5
Change in the total valuation allowance		(3.0)	(2.0)
Portion of the unrecognized tax benefits if recognized, reduction of annual effective tax rate	8.5	8.5	7.8
Interest accrued related to unrecognized tax benefits	2.7	2.7	$ 2.9
Undistributed earnings of foreign subsidiaries	259.0	259.0
Tax Cuts And Jobs Act of 2017 Income Tax Expense Benefit	5.6
Tax Cuts And Jobs Act of 2017 Income Tax Expense Benefit, Transition Tax	58.1
Tax Cuts And Jobs Act of 2017 Income Tax Expense Benefit, Deferred Taxes Remeasurement	(52.5)
Tax Cuts And Jobs Act of 2017 Income Tax Expense Benefit, Tax on Future Dividends	3.0
Foreign country [Member]
Operating Loss Carryforwards [Line Items]
Foreign net operating loss carryforwards	33.9	33.9
Tax credit carryforwards	2.6	2.6
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Foreign net operating loss carryforwards	$ 99.8	99.8
Deferred Tax Asset, State [Member]
Operating Loss Carryforwards [Line Items]
Change in the total valuation allowance		1.1
Net Operating Loss Carryforwad, State and Local [Member]
Operating Loss Carryforwards [Line Items]
Change in the total valuation allowance		(2.9)
Audit Adjustment, Net Operating Loss, Foreign [Member]
Operating Loss Carryforwards [Line Items]
Change in the total valuation allowance		1.3
Net Operating Losses and Tax Credits, Foreign [Member]
Operating Loss Carryforwards [Line Items]
Change in the total valuation allowance		$ 0.3