Subsequent Event (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	6 Months Ended
	Jul. 31, 2012 Employee	Jun. 30, 2012
Subsequent Event (Textual) [Abstract]
No of Employees positions eliminated	700
Severance cost range start		$ 50
Severance cost range end		$ 60
2012 Restructuring [Member]
Subsequent Event [Line Items]
Number of areas pre restructuring		22
Number of areas post restructuring		17