Employee Benefit Plans - Narrative (Details)	9 Months Ended		12 Months Ended
	Mar. 31, 2016 USD ($) plan shares	Mar. 31, 2015 USD ($)	Jun. 30, 2012 USD ($) quarter	Jan. 05, 2015 USD ($)	Nov. 18, 2014 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
401(k) Plan employer matching contribution | $	$ 1,200,000	$ 1,100,000
Number of non-pension multiemployer plans that the Company participates in	11
Defined Contribution Plan, Minimum Qualification Requirements, Work Period	1000
Defined Contribution Plan, Employer Matching Contribution, Percentage of Employee Contribution	50.00%	50.00%
Defined Contribution Plan, 401(k) Plan Employer Matching Contribution, Percent of Employees' Gross Pay	6.00%	6.00%
Defined Contribution Plan, 401(k) Plan, Employers Matching Contribution, Annual Vesting Percentage	20.00%	20.00%
Defined Contribution Plan, 401(k) Plan, Vesting Period	5 years	5 years
Minimum [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investment horizon period	20 years
Maximum [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investment horizon period	30 years
Labor Management Pension Fund [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Withdrawal obligation | $			$ 4,300,000	$ 4,900,000	$ 4,400,000
Quarterly installment payments on estimated withdrawal liability | $	$ 91,000		$ 100,000
Number of quarters relating to installment payments on estimated withdrawal liability | quarter			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
Multiemployer Plans, Pension [Member] | Multiemployer Plans, Defined Benefit Pension Plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Multiemployer Plan Number	2
Multiemployer Plans, Pension [Member] | Multiemployer Plans, Defined Contribution Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Multiemployer Plan Number	1
Multiemployer Plans, Defined Contribution [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Multiemployer Plan Number	11
Restricted Stock [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Restricted stock vested in period | shares	24,841
Shares withheld for tax purposes | shares	5,177