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

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

FINANCIAL STATEMENT PRESENTATION (Details)	Jun. 30, 2017	Mar. 01, 2017	Feb. 28, 2017
Convertible Debt \| 1 ¾% Senior Convertible Notes due 2017
Debt Instrument [Line Items]
Interest rate			1.75%
Senior Notes \| 7 ½% Senior Notes due 2022
Debt Instrument [Line Items]
Interest rate	7.50%	7.50%	7.50%