Derivatives and Financial Instruments - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 31, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Goodwill, Impairment Loss									$ 515.2
Impairment of Intangible Assets (Excluding Goodwill)										$ 0.0
Discontinued Operation, Provision for Loss (Gain) on Disposal, Net of Tax	$ 1.9	$ 0.0	$ (4.8)	$ 0.0	$ 0.0	$ (380.1)	$ 0.0	$ (5.6)	$ (6.7)	(385.7)	$ (0.8)
Description of Net Investment Hedge Activity									we designated the €500 million 2.45% Senior Notes due 2019 (the "2019 Euro Notes") as a net investment hedge for a portion of our net investment in our Euro denominated subsidiaries
Gain (Loss) on Derivative Used in Net Investment Hedge, Net of Tax									$ 16.4
Cross Currency Interest Rate Contract [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Derivative Liability, Notional Amount	$ 331.5				$ 250.8				331.5	$ 250.8
Valves And Controls [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Goodwill, Impairment Loss									515.2
Impairment of Intangible Assets (Excluding Goodwill)									$ 39.5