Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Fair Value of Plan Assets (Details)

v3.10.0.1
Employee Benefit Plans - Fair Value of Plan Assets (Details) - USD ($)
Jun. 30, 2018
Jun. 30, 2017
Fair Value Measurements    
Bonds, equity securities and other investments $ 1,475,936,000 $ 1,863,689,000
Total assets measured at fair value $ 2,554,605,000 [1] $ 2,858,005,000 [2]
Foreign Plan | Pension Plan    
Defined Benefit Plan Disclosure    
Defined benefit plan, target plan asset allocations 100.00% 100.00%
Defined benefit plan, estimated future employer contributions in next fiscal year $ 2,600,000  
Defined benefit plan maximum yearly expected future benefit 3,500,000.0  
Fair Value Measurements    
Cash and cash equivalents 15,737,000 $ 13,784,000
Bonds, equity securities and other investments 12,195,000 7,996,000
Total assets measured at fair value 27,932,000 21,780,000
Level 1    
Fair Value Measurements    
Total assets measured at fair value 1,670,770,000 [1] 1,493,604,000 [2]
Level 1 | Foreign Plan | Pension Plan    
Fair Value Measurements    
Cash and cash equivalents 15,737,000 13,784,000
Bonds, equity securities and other investments 0 0
Total assets measured at fair value 15,737,000 13,784,000
Level 2    
Fair Value Measurements    
Total assets measured at fair value 883,835,000 [1] 1,364,401,000 [2]
Level 2 | Foreign Plan | Pension Plan    
Fair Value Measurements    
Cash and cash equivalents 0 0
Bonds, equity securities and other investments 12,195,000 7,996,000
Total assets measured at fair value $ 12,195,000 $ 7,996,000
[1] Excludes cash of $473.8 million held in operating accounts and time deposits of $54.5 million as of June 30, 2018.
[2] Excludes cash of $307.4 million held in operating accounts and time deposits of $39.4 million as of June 30, 2017.