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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Guarantor Subsidiaries (Narrative) (Details) - Senior Notes	Dec. 31, 2019	Sep. 13, 2019	Apr. 25, 2017
5.625% senior notes due 2027
Debt Instrument [Line Items]
Interest rate (percent)	5.625%		5.625%
Senior Notes 4.75 Percent Due 2029
Debt Instrument [Line Items]
Interest rate (percent)	4.75%	4.75%