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Relocation and Restructuring Subsequent Event - Restructuring (Details) (Restructuring [Member], USD $)
In Millions, unless otherwise specified
6 Months Ended
Dec. 31, 2012
Restructuring [Member]
 
Restructuring Cost and Reserve [Line Items]  
Number of positions expected to be eliminated due to restructuring 300
Expected expense as a result of restructuring $ 15