Long Term Debt (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Sep. 30, 2014	Dec. 31, 2015
Debt Instrument [Line Items]
Debt instrument issuance date	Sep. 08, 2015
Aggregate principal amount	$ 2,000.0
Notes Payable		$ 2,010.7
Less: current portion		(2.8)
Less: unamortized discount and debt issuance costs		(13.1)
Total long-term debt		1,994.8
Fair Value of Notes Issued		$ 2,023.0
Notes due on 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Term		5 years
Debt instrument stated rate (percent)		2.25%
Debt instrument maturity date		Sep. 15, 2020
Debt instrument effective rate (percent)		2.39%
Notes Payable		$ 1,000.0
Notes due on 2025 [Member]
Debt Instrument [Line Items]
Debt Instrument, Term		10 years
Debt instrument stated rate (percent)		3.375%
Debt instrument maturity date		Sep. 15, 2025
Debt instrument effective rate (percent)		3.48%
Notes Payable		$ 1,000.0
Other Debt Obligations [Member]
Debt Instrument [Line Items]
Notes Payable		$ 10.7

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.

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- Definition

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

+ References

Reference 1: 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=34725769&loc=d3e28878-108400

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Date the debt instrument was issued, in CCYY-MM-DD format.

+ References

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- Definition

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

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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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.

+ References

No definition available.

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- Definition

The fair value of notes issued in noncash investing and financing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
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- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Carrying value as of the balance sheet date of debt not otherwise defined (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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