Commitments and Contingencies Commitment and contingencies (additional information) (Details)	3 Months Ended
	Sep. 30, 2014 taxable_jurisdiction
Loss Contingencies [Line Items]
Number of Taxable Jurisdictions	140
Minimum [Member]
Loss Contingencies [Line Items]
Number of Audits Typically Underway	50
Maximum [Member]
Loss Contingencies [Line Items]
Number of Audits Typically Underway	60