Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans (Details)

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Employee Benefit Plans (Details) (USD $)
9 Months Ended 12 Months Ended
Mar. 31, 2011
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Deferred Compensation Arrangements [Abstract]        
Employer maximum contribution match $ 3,000 $ 4,000    
Deferred compensation arrangement maximum percentage contribution match of employees 401(K) contribution 50.00% 50.00%    
Deferred compensation arrangement maximum 401(K) employee contribution subject to employer percentage match 6,000 8,000    
Deferred compensation arrangement with individual, total expenses   12,600,000 11,600,000 6,400,000
Foreign Pension Plans, Defined Benefit
       
Change in projected benefit obligation [Roll Forward]        
Projected benefit obligation as of the beginning of the fiscal year 46,344,000 56,810,000 46,344,000  
Service cost, including plan participant contributions   3,355,000 3,184,000  
Interest cost   1,406,000 1,270,000 1,020,000
Contributions by plan participants   132,000 126,000  
Adjustment   148,000 9,000  
Actuarial loss   6,582,000 1,363,000  
Benefit payments   (789,000) (1,357,000)  
Foreign currency exchange rate changes   (2,218,000) 5,871,000  
Projected benefit obligation as of the end of the fiscal year   65,426,000 56,810,000 46,344,000
Change in fair value of plan assets [Roll Forward]        
Fair value of plan assets as of the beginning of the fiscal year 8,692,000 11,035,000 8,692,000  
Actual return on plan assets   68,000 78,000  
Employer contributions   1,926,000 2,024,000  
Benefit and expense payments   (541,000) (1,010,000)  
Foreign currency exchange rate changes   (779,000) 1,251,000  
Fair value of plan assets as of the end of the fiscal year   11,709,000 11,035,000 8,692,000
Funded status        
Ending funded status   (53,717,000) (45,775,000)  
Net amount recognized   (53,717,000) (45,775,000)  
Plans with accumulated benefit obligations in excess of plan assets        
Accumulated benefit obligation   28,844,000 39,748,000  
Projected benefit obligation   65,426,000 56,810,000  
Plan assets at fair value   $ 11,709,000 $ 11,035,000