Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4297-108586

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 17
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3367-108585

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585

Name:	us-gaap_InterestPaidNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Subsequent Events (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
Subsequent Events (Details) - USD ($) $ in Millions	Jul. 13, 2020	Sep. 30, 2020	Jun. 30, 2020	Jun. 30, 2019
Subsequent Event [Line Items]
Interest Paid, Excluding Capitalized Interest, Operating Activities			$ 32.6	$ 34.8
Senior Notes, Due 2021 [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Cash Paid Redemption of Debt Including Premium and Interest	$ 748.0
Extinguishment of Debt, Amount	700.0
Interest Paid, Excluding Capitalized Interest, Operating Activities	10.1
Redemption Premium	$ 37.9
Forecast [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Gain (Loss) on Extinguishment of Debt		$ 40.0