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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-Section S99
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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
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Period Type:	duration

- Definition

Fair value amount of debt instrument that was repurchased.

+ References

No definition available.

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Balance Type:	debit
Period Type:	instant

- 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

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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Subsequent Events - Debt Transactions (Details) - Senior Notes - USD ($)			3 Months Ended
	Aug. 04, 2017	Jul. 27, 2017	Sep. 30, 2017	Jul. 05, 2017	Jun. 30, 2017	Jun. 27, 2017
4.25% Senior Notes Due 2020
Subsequent Event [Line Items]
Stated interest rate					4.25%	4.25%
Debt face amount					$ 500,000,000
4.25% Senior Notes Due 2020 \| Forecast
Subsequent Event [Line Items]
Stated interest rate		4.25%
5.75% Senior Notes Due 2021
Subsequent Event [Line Items]
Stated interest rate					5.75%
Debt face amount					$ 600,000,000
Subsequent Event \| 4.25% Senior Notes Due 2020 \| Forecast
Subsequent Event [Line Items]
Redemption price, as a percentage		101.063%
Debt repurchase amount		$ 509,565,000
Loss on extinguishment of debt			$ 8,393,000
Subsequent Event \| 5.75% Senior Notes Due 2021
Subsequent Event [Line Items]
Stated interest rate				5.75%
Subsequent Event \| 5.75% Senior Notes Due 2021 \| Forecast
Subsequent Event [Line Items]
Stated interest rate	5.75%
Redemption price, as a percentage	102.875%
Debt repurchase amount	$ 617,538,000
Loss on extinguishment of debt			$ 20,963,000
Subsequent Event \| 3.875% Senior Notes Due 2022
Subsequent Event [Line Items]
Stated interest rate				3.875%
Debt face amount				$ 750,000,000
Subsequent Event \| 5.00% Senior Notes Due 2027
Subsequent Event [Line Items]
Stated interest rate				5.00%
Debt face amount				$ 1,250,000,000