Restructuring Charges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Company's accrual for restructuring activities:-
Beginning Restructuring Accrual Balance, as of December 31, 2012			$ 11,945
Restructuring Charges	3,196	7,835	8,198	8,143
Restructuring Cash Payments			(9,307)
Impact of foreign currency on restructuring reserve			(230)
Ending Restructuring Accrual Balance, as of June 30, 2013	10,606		10,606
Employee Severance [Member]
Company's accrual for restructuring activities:-
Beginning Restructuring Accrual Balance, as of December 31, 2012			11,655
Restructuring Charges			6,885
Restructuring Cash Payments			(8,338)
Impact of foreign currency on restructuring reserve			(230)
Ending Restructuring Accrual Balance, as of June 30, 2013	9,972		9,972
Other Restructuring Charges [Member]
Company's accrual for restructuring activities:-
Beginning Restructuring Accrual Balance, as of December 31, 2012			290
Restructuring Charges			1,313
Restructuring Cash Payments			(969)
Impact of foreign currency on restructuring reserve			0
Ending Restructuring Accrual Balance, as of June 30, 2013	$ 634		$ 634