Employee Benefit Plans - Narrative (Details) (USD $)	3 Months Ended	9 Months Ended				12 Months Ended
	Jun. 30, 2013	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Other Postretirement Benefit Plans, Defined Contribution [Member] plan	Oct. 31, 2011 Western Conference of Teamsters Pension Plan [Member]	Jun. 30, 2012 Labor Management Pension Fund [Member] quarter
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Effect of Curtailments	$ 34,000
Withdrawal obligation					0	4,300,000
Quarterly installment payments on estimated withdrawal liability						100,000
Number of quarters relating to installment payments on estimated withdrawal liability						80
Number of non-pension multiemployer plans that the Company participates in				10
Percentage of employee contribution eligible for Company matching		50.00%
Company contribution, maximum percentage of employee's eligible income		6.00%
Plan periodic vesting percentage		20.00%
Plan, periodic vesting period		5 years
Automatic vesting age		65 years
Current employees, percent vested		100.00%
Employer match contribution amount		$ 1,000,000	$ 800,000