Restructuring Charges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Company's accrual for restructuring activities:-
Beginning Restructuring Accrual Balance, as of December 31, 2011			$ 7,569
Restructuring Charges	7,835	1,971	8,143	2,469
Restructuring Cash Payments			(4,165)
Impact of foreign currency on restructuring reserve			(97)
Ending Restructuring Accrual Balance, as of June 30, 2012	11,450		11,450
Employee Severance [Member]
Company's accrual for restructuring activities:-
Beginning Restructuring Accrual Balance, as of December 31, 2011			7,469
Restructuring Charges			6,290
Restructuring Cash Payments			(2,864)
Impact of foreign currency on restructuring reserve			(97)
Ending Restructuring Accrual Balance, as of June 30, 2012	10,798		10,798
Other Restructuring Charges [Member]
Company's accrual for restructuring activities:-
Beginning Restructuring Accrual Balance, as of December 31, 2011			100
Restructuring Charges			1,853
Restructuring Cash Payments			(1,301)
Impact of foreign currency on restructuring reserve			0
Ending Restructuring Accrual Balance, as of June 30, 2012	$ 652		$ 652