Debt - Debt and Average Interest Rates on Debt Outstanding (Detail) - USD ($) $ in Millions	Jun. 27, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Total debt	$ 3,266.2
Debt and Capital Lease Obligations	3,266.2	$ 3,004.1
Current maturities and short-term borrowings	(5.3)	(6.7)
Long-term debt	$ 3,260.9	2,997.4
Commercial Paper
Debt Instrument [Line Items]
Debt, average interest rate	0.895%
Total debt	$ 1,248.4	987.6
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Debt, average interest rate	5.955%
Capital Lease Obligations	$ 5.3	6.7
Total debt	$ 5.3
Senior Notes 1.350% Due in 2015 \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt, average interest rate	1.35%
Total debt	$ 350.0	350.0
Senior Notes 1.875% Due 2017 \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt, average interest rate	1.875%
Total debt	$ 350.0	350.0
Senior Notes 2.650% Due 2019 \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt, average interest rate	2.65%
Total debt	$ 250.0	250.0
Senior Notes 5.000% Due 2021 \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt, average interest rate	5.00%
Total debt	$ 500.0	500.0
Senior Notes 3.150% Due 2022 \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt, average interest rate	3.15%
Total debt	$ 550.0	550.0
Subsidiary Issuer
Debt Instrument [Line Items]
Long-term debt	$ 3,121.4	2,860.6
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt, average interest rate	1.437%
Total debt	$ 12.5	$ 9.8

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 03

-Paragraph 16

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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Weighted average interest rate of debt outstanding.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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