Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans Fair Value of Plan Assets (Details)

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Employee Benefit Plans Fair Value of Plan Assets (Details) (USD $)
12 Months Ended 12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2012
Jun. 30, 2012
Foreign Pension Plans, Defined Benefit
Jun. 30, 2012
Total
Jun. 30, 2011
Total
Jun. 30, 2012
Total
Foreign Pension Plans, Defined Benefit
Jun. 30, 2012
Level 1
Jun. 30, 2011
Level 1
Jun. 30, 2012
Level 1
Foreign Pension Plans, Defined Benefit
Jun. 30, 2012
Level 2
Jun. 30, 2011
Level 2
Jun. 30, 2012
Level 2
Foreign Pension Plans, Defined Benefit
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
[1] Excludes cash of $126.0 million held in operating accounts and time deposits of $62.4 million as of June 30, 2012.
[2] Excludes cash of $165.9 million held in operating accounts and time deposits of $65.4 million as of June 30, 2011.