Restructuring Charges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Company's accrual for restructuring activities:-
Beginning Restructuring Accrual Balance, as of December 31, 2011	$ 11,945
Restructuring Charges	5,002	308
Restructuring Cash Payments	(4,646)
Impact of foreign currency on restructuring reserve	(352)
Ending Restructuring Accrual Balance, as of September 30, 2012	11,949
Employee Severance [Member]
Company's accrual for restructuring activities:-
Beginning Restructuring Accrual Balance, as of December 31, 2011	11,655
Restructuring Charges	4,705
Restructuring Cash Payments	(4,420)
Impact of foreign currency on restructuring reserve	(352)
Ending Restructuring Accrual Balance, as of September 30, 2012	11,588
Other Restructuring Charges [Member]
Company's accrual for restructuring activities:-
Beginning Restructuring Accrual Balance, as of December 31, 2011	290
Restructuring Charges	297
Restructuring Cash Payments	(226)
Impact of foreign currency on restructuring reserve	0
Ending Restructuring Accrual Balance, as of September 30, 2012	$ 361