Face (par) amount of debt instrument at time of issuance.

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

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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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.

+ References

No definition available.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

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

The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

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Debt (Details) - USD ($)		3 Months Ended		9 Months Ended
Debt (Details) - USD ($)	Aug. 28, 2018	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Oct. 01, 2018
Debt Instrument [Line Items]
Loss on debt extinguishment		$ 15,900,000	$ 0	$ 15,900,000	$ 0
Payment of senior notes				$ 500,000,000	$ 0
Redemption price percentage				100.00%
Senior Notes \| Senior Notes Due 2023
Debt Instrument [Line Items]
Face value of debt	$ 700,000,000
Interest rate on senior notes	3.65%
Senior Notes \| Senior Notes Due 2028
Debt Instrument [Line Items]
Face value of debt	$ 800,000,000
Interest rate on senior notes	4.20%
Senior Notes \| Senior Notes Due 2019
Debt Instrument [Line Items]
Face value of debt	$ 0
Interest rate on senior notes	6.25%
Loss on debt extinguishment	$ 15,900,000
Payment of senior notes	$ 500,000,000
Senior Notes \| Senior Notes Due 2018 \| Subsequent Event
Debt Instrument [Line Items]
Face value of debt						$ 800,000,000.0
Interest rate on senior notes						2.05%