Credit Arrangements - Receivable Purchase Agreement (Details) - JP Morgan [Member] - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015
Short-term Debt [Line Items]
Transfers of trade receivables including debt	$ 73.6	$ 122.6
Other Short-term Borrowings	$ 0.0

Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer.

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 210.5-02.19(a)(7))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_OtherShortTermBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant