Restructuring and Other Related Costs (Details) (Other Accrued Expenses and Accrued Liabilities [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Accrued restructuring liability
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning	$ 934
Restructuring and other related costs, cash payments	(318)
Restructuring Reserve, Ending	616
Employee severance and related costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning	427
Restructuring and other related costs, cash payments	(224)
Restructuring Reserve, Ending	203
Real estate exit and related costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning	507
Restructuring and other related costs, cash payments	(94)
Restructuring Reserve, Ending	$ 413