Retirement Benefits (Schedule of estimated remaining cash contributions) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Pension Costs [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]
Contributions	$ 150
Pension Costs [Member] | United Kingdom Plan, Defined Benefit [Member]
Contributions	407
Pension Costs [Member] | Japan Plan, Defined Benefit [Member]
Contributions	0
Pension Costs [Member] | Switzerland Plan, Defined Benefit [Member]
Contributions	191
Other Postretirement Benefit Costs [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]
Contributions	$ 2,744