Employee Benefit Plans - Narrative (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012 quarter	Mar. 31, 2015
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of non-pension multiemployer plans that the Company participates in		10
Labor Management Pension Fund [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Withdrawal obligation	$ 4.3
Quarterly installment payments on estimated withdrawal liability	$ 0.1
Number of quarters relating to installment payments on estimated withdrawal liability	80
Multiemployer Plans, Pension [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of non-pension multiemployer plans that the Company participates in		2