Employee Benefit Plans - Additional Information (Detail) (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Defined Benefit Plan Disclosure [Line Items]
Contributions to profit sharing retirement plan	$ 2,500,000	$ 2,200,000	$ 2,800,000
Common stock discount percentage from the prevailing market price	5.00%
Percentage of maximum employee subscription rate on base pay	10.00%
Contributions to the Compensation Plan by the employer	2,253,000
Contributions to the Compensation Plan by the employer in fiscal year 2015	2,100,000
Amount recognized as a component of net periodic benefit cost		300,000
Expected future benefit payments, 2015	1,300,000
Expected future benefit payments, 2016	1,100,000
Expected future benefit payments, 2017	1,600,000
Expected future benefit payments, 2018	700,000
Expected future benefit payments, 2019	3,100,000
Expected future benefit payments, Next five years thereafter	10,700,000
Pension liability	600,000	1,100,000
Percentage of discretionary incentive compensation	100.00%
Contributions to the Compensation Plan by the employees	1,900,000	1,800,000	1,400,000
P R M Defined Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Contributions to the Compensation Plan by the employer	$ 0	$ 0	$ 0
Employee Stock
Defined Benefit Plan Disclosure [Line Items]
Common stock authorized for issuance under the Plan	1,600,000
Common stock available for purchase under the plan	543,234	560,034