Employee Retirement Benefit Plans-Additional Information (Details) - USD ($) $ in Millions	Jun. 30, 2016	Jun. 30, 2015
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Multiemployer Plans, Estimated Annual Cash Contribution	$ 1.7
Eberbach Pension Promissory Note or Loan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Stated interest rate (percent)	5.00%
Multiemployer Plans, Pension [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Withdrawal obligation	$ 39.3	$ 39.5