Derivatives and Financial Instruments - Assets and Liabilities Measured at Fair Value (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Millions		Jun. 27, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contract assets			$ 0.9
Foreign Currency Contracts, Liability, Fair Value Disclosure		$ 6.9	6.6
Deferred compensation plan	[1]	53.6	55.3
Total recurring fair value measurements		46.7	49.6
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan	[1]	44.8	47.9
Total recurring fair value measurements		44.8	47.9
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contract assets			0.9
Foreign Currency Contracts, Liability, Fair Value Disclosure		6.9	6.6
Deferred compensation plan	[1]	8.8	7.4
Total recurring fair value measurements		$ 1.9	$ 1.7

[1] Deferred compensation plan assets include mutual funds, common/collective trusts and cash equivalents for payment of certain non-qualified benefits for retired, terminated and active employees. The fair value of mutual funds and cash equivalents were based on quoted market prices in active markets. The underlying investments in the common/collective trusts primarily include intermediate and long-term debt securities, corporate debt securities, equity securities and fixed income securities. The overall fair value of the common/collective trusts are based on observable inputs.