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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 |  |  |  |

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- Definition Defined Benefit Plan, Assumptions Used Calculating Weighted Average Rate, Investment Horizon, Period + References No definition available. + Details
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- Definition Defined Contribution Plan, Employer Matching Contribution, Amount + References No definition available. + Details
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- Definition Defined Contribution Plan, Minimum Qualification Requirements, Work Period + References No definition available. + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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