Employee Benefit Plans Fair Value of Plan Assets (Details) (USD $)
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12 Months Ended | 12 Months Ended | |||||||||||||||||||||
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Jun. 30, 2011
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Jun. 30, 2010
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Jun. 30, 2012
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Jun. 30, 2012
Foreign Pension Plans, Defined Benefit
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Jun. 30, 2012
Total
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Jun. 30, 2011
Total
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Jun. 30, 2012
Total
Foreign Pension Plans, Defined Benefit
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Jun. 30, 2012
Level 1
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Jun. 30, 2011
Level 1
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Jun. 30, 2012
Level 1
Foreign Pension Plans, Defined Benefit
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Jun. 30, 2012
Level 2
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Jun. 30, 2011
Level 2
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Jun. 30, 2012
Level 2
Foreign Pension Plans, Defined Benefit
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Defined Benefit Plan Disclosure | |||||||||||||||||||||||
Defined benefit plan, target plan asset allocations | 100.00% | 100.00% | 100.00% | ||||||||||||||||||||
Defined benefit plan, estimated future employer contributions in next fiscal year | $ 1,400,000 | ||||||||||||||||||||||
Defined benefit plan maximum yearly expected future benefit payments | 3,700,000 | ||||||||||||||||||||||
Fair Value Measurements [Abstract] | |||||||||||||||||||||||
Cash equivalents | 8,405,000 | 8,405,000 | 0 | ||||||||||||||||||||
Government, municipal securities, and other | 1,327,206,000 | 1,783,150,000 | 3,304,000 | 0 | 3,304,000 | ||||||||||||||||||
Total financial assets | $ 2,472,819,000 | [1] | $ 1,937,280,000 | [2] | $ 11,709,000 | $ 1,434,987,000 | [1] | $ 966,822,000 | [2] | $ 8,405,000 | $ 1,037,832,000 | [1] | $ 970,458,000 | [2] | $ 3,304,000 | ||||||||
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