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Segment Reporting - Reconciliation of Segment Earnings to Income Before Provision for Income Taxes (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Segment Reporting [Abstract]
Segment earnings	$ 468.2	$ 409.1	$ 931.1	$ 825.8
Interest expense	20.9	21.4	41.6	42.2
Other (income) expense, net	3.7	5.8	(1.9)	9.5
Consolidated income before provision for income taxes and equity in net income of affiliates	$ 443.6	$ 381.9	$ 891.4	$ 774.1

X

- Definition

The sum of all other income and expenses (both operating and nonoperating) recognized by the entity in the period not otherwise specified in the income statement.

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X

- Definition

Amount of pretax income or loss for the reportable segment before interest, other (income) expense, provision (benefit) for income taxes and equity in net (income) loss of affiliates.

+ References

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- Definition

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

+ References

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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