Comprehensive Income and Equity - Changes in AOCI, Net of Tax (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 28, 2015	Mar. 29, 2014
Defined benefit plan adjustments:
Balance at beginning of period	$ (219.2)	$ (104.5)
Reclassification adjustments	1.1	0
Other comprehensive income recognized during the period	6.6
Balance at end of period	(211.5)	(104.5)
Derivative instruments and hedging activities:
Balance at beginning of period	(33.2)	(5.3)
Reclassification adjustments	3.4	(0.7)
Other comprehensive income recognized during the period	2.3	2.6
Balance at end of period	(27.5)	(3.4)
Foreign currency translation adjustments:
Balance at beginning of period	(249.6)	(56.3)
Other comprehensive loss recognized during the period	(141.2)	(10.9)
Balance at end of period	(390.8)	(67.2)
Comprehensive income (loss), tax
Defined benefit plan adjustments, reclassifications adjustments, tax expense (benefit)	0.4	0
Defined benefit plan adjustments, other comprehensive income, tax expense (benefit)	0
Derivative instruments and hedging activities, reclassification adjustments, tax expense (benefit)	1.3	(0.3)
Derivative instruments and hedging activities, other comprehensive income, tax expense (benefit)	1.1	0.6
Foreign currency translation adjustments, other comprehensive loss, tax expense (benefit)	$ (4.1)	$ 0

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.

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