Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Millions		9 Months Ended
Aug. 29, 2016	Sep. 30, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Long-term debt		$ 2,664.6	$ 2,309.2
Less current portion		25.8	6.5
Less unamortized debt issuance costs		13.0	12.3
Long-term debt		$ 2,625.8	$ 2,290.4
Weighted-average interest rate (as a percent)		3.44%	3.67%
Line of Credit \| Revolving Credit Facility, due October 2018
Debt Instrument [Line Items]
Long-term debt		$ 0.0	$ 0.0
Stated interest rate (as a percent)		0.00%	0.00%
Line of Credit \| Revolving Credit Facility, due August 2021
Debt Instrument [Line Items]
Long-term debt		$ 0.0	$ 0.0
Stated interest rate (as a percent)		0.00%	0.00%
Unsecured Debt \| Five-Year Term Loan, due October 2018
Debt Instrument [Line Items]
Long-term debt		$ 0.0	$ 25.0
Stated interest rate (as a percent)		0.00%	1.80%
Debt instrument, term		5 years
Unsecured Debt \| Five-Year Term Loan, due August 2021
Debt Instrument [Line Items]
Long-term debt		$ 385.0	$ 0.0
Stated interest rate (as a percent)		1.77%	0.00%
Debt instrument, term	5 years	5 years
Unsecured Debt \| Seven-Year Term Loan, due October 2020
Debt Instrument [Line Items]
Long-term debt	$ 633.7	$ 632.1	$ 637.0
Stated interest rate (as a percent)		2.15%	2.05%
Debt instrument, term	7 years	7 years
Senior Notes \| 6.50% Senior Notes due March 2018
Debt Instrument [Line Items]
Long-term debt		$ 150.0	$ 150.0
Stated interest rate (as a percent)		6.50%	6.50%
Senior Notes \| 3.90% Senior Notes, Due June 2022
Debt Instrument [Line Items]
Long-term debt		$ 399.8	$ 399.7
Debt instrument, unamortized discount		$ 0.2	$ 0.3
Stated interest rate (as a percent)		3.90%	3.90%
Senior Notes \| 4.50% Senior Notes, Due November 2023
Debt Instrument [Line Items]
Long-term debt		$ 698.6	$ 698.5
Debt instrument, unamortized discount		$ 1.4	$ 1.5
Stated interest rate (as a percent)		4.50%	4.50%
Senior Notes \| 3.65% Senior Notes, due September 2024
Debt Instrument [Line Items]
Long-term debt		$ 399.1	$ 399.0
Debt instrument, unamortized discount		$ 0.9	$ 1.0
Stated interest rate (as a percent)		3.65%	3.65%

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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- Definition

Weighted average interest rate of debt outstanding.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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