Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Schedule of Defined Benefit Plans (Details)

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Employee Benefit Plans - Schedule of Defined Benefit Plans (Details) - USD ($)
 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Deferred Compensation Arrangements      
Deferred compensation arrangement maximum percentage contribution match of employees 401(K) contribution 50.00%    
Deferred compensation arrangement maximum 401(K) employee contribution subject to employer percentage match $ 8,000    
Employer maximum contribution match 4,000    
Deferred compensation arrangement under the profit sharing and 401(K) programs, total expenses 15,300,000 $ 15,300,000 $ 14,200,000
Foreign Plan | Pension Plan      
Change in projected benefit obligation:      
Projected benefit obligation as of the beginning of the fiscal year 89,923,000 75,928,000  
Service cost 4,015,000 3,349,000 3,905,000
Interest cost 1,117,000 1,322,000 1,562,000
Contributions by plan participants 76,000 163,000  
Actuarial loss 2,991,000 9,029,000  
Benefit payments (1,363,000) (2,517,000)  
Foreign currency exchange rate changes and others, net 506,000 2,649,000  
Projected benefit obligation as of the end of the fiscal year 97,265,000 89,923,000 75,928,000
Change in fair value of plan assets:      
Fair value of plan assets as of the beginning of the fiscal year 18,894,000 17,038,000  
Actual return on plan assets 241,000 588,000  
Employer contributions 3,330,000 4,330,000  
Benefit and expense payments (1,363,000) (2,517,000)  
Foreign currency exchange rate changes and others, net 678,000 (545,000)  
Fair value of plan assets as of the end of the fiscal year 21,780,000 18,894,000 $ 17,038,000
Funded status      
Underfunded status 75,485,000 71,029,000  
Plans with accumulated benefit obligations in excess of plan assets:      
Accumulated benefit obligation 56,967,000 53,198,000  
Projected benefit obligation 97,265,000 89,923,000  
Plan assets at fair value $ 21,780,000 $ 18,894,000