Income Taxes - Differences Between Reported Provision for (Benefit from) Income Taxes and Income Taxes Computed at U.S. Statutory Federal Income Tax Rate (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 27, 2019	Dec. 28, 2018	Dec. 29, 2017
Income Tax Disclosure [Abstract]
Income tax provision (benefit) computed at the U.S. statutory federal rate	$ 19.1	$ 0.0	$ 50.4
Effect of tax rates on non-U.S. operations	(47.4)	(33.2)	(67.4)
Provision for uncertain tax positions	0.8	0.0	0.7
Non-deductible interest	1.9	2.3	2.4
Foreign exchange	(3.7)	(11.5)	2.3
Non-deductible intercompany charges	0.1	(0.1)	0.0
Non-deductible differences	1.8	0.6	6.0
Non-taxable income/loss	(2.5)	(1.5)	0.3
Non-deductible impairment charges	0.4	3.6	0.0
Adjustment to deferred balances	0.0	0.4	0.1
Other	2.4	2.2	(0.9)
Other taxes in lieu of income	2.9	2.4	1.8
Change in deferred rate	7.4	(1.3)	11.7
Increase (decrease) in valuation allowance	38.2	52.2	17.5
Provision for income taxes	$ 21.4	$ 16.1	$ 24.9