Profit Sharing Pension and Post Retirement Medical Benefit Plans (Details 8) (USD $) In Thousands	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
U.S. Pension Benefits [Member]
Net periodic benefit cost
Service cost	$ 1,487	$ 2,521	$ 2,404
Interest cost	3,934	3,799	3,612
Expected return on plan assets	(5,057)	(4,497)	(4,789)
Amortization of prior service cost	1	3	4
Amortization of unrecognized transition obligation	0
Recognized actuarial losses	745	1,010
Curtailment or settlement loss (gain)	10	82	158
Net periodic benefit cost	1,120	2,918	1,389
Non-U.S. Pension Benefits [Member]
Net periodic benefit cost
Service cost	6,075	5,441	5,872
Interest cost	4,198	4,183	4,319
Expected return on plan assets	(2,738)	(2,627)	(3,345)
Amortization of prior service cost	244	224	257
Amortization of unrecognized transition obligation	40	37	40
Recognized actuarial losses	2,172	1,691	647
Curtailment or settlement loss (gain)	419	(2,006)	3,606
Net periodic benefit cost	10,410	6,943	11,396
Postretirement Medical Benefits [Member]
Net periodic benefit cost
Service cost	1,369	1,082	1,741
Interest cost	2,469	2,486	2,883
Amortization of prior service cost	(2,065)	(2,065)	(1,354)
Recognized actuarial losses	1,331	702	818
Curtailment or settlement loss (gain)	23	70	(3,702)
Net periodic benefit cost	$ 3,127	$ 2,275	$ 386