Income Taxes - Narrative (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2016	Jan. 01, 2016
Income Tax Disclosure [Abstract]
Increased (decrease) in valuation allowance	$ 6.3	$ 46.3
Pension and other postretirement benefit plans, tax	0.1
Undistributed earnings of foreign subsidiaries	1,453.6
Federal and foreign tax operating loss carry-forwards	787.3
Accrual for uncertain tax positions, that, if recognized would affect the effective income tax rate	3.6	$ 3.5
Interest on income taxes accrued	$ 0.9