Restructuring and Other Related Costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended					3 Months Ended			3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Accrued restructuring liability	Mar. 31, 2014 Accrued restructuring liability Other Current Liabilities [Member]	Dec. 31, 2013 Accrued restructuring liability Other Current Liabilities [Member]	Mar. 31, 2014 Accrued restructuring liability Other Accrued Expenses and Accrued Liabilities [Member]	Mar. 31, 2014 Accrued restructuring liability Other Noncurrent Liabilities [Member]	Dec. 31, 2013 Accrued restructuring liability Other Noncurrent Liabilities [Member]	Mar. 31, 2014 Employee severance and related costs	Mar. 31, 2014 Employee severance and related costs Other Accrued Expenses and Accrued Liabilities [Member]	Mar. 31, 2014 Real estate exit and related costs	Mar. 31, 2014 Real estate exit and related costs Other Accrued Expenses and Accrued Liabilities [Member]	Mar. 31, 2014 Minimum [Member] Real estate exit and related costs	Mar. 31, 2014 Maximum [Member] Real estate exit and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 370	$ 0	$ 370						$ 37		$ 303		$ 0	$ 2,000
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning				3,800	4,700	5,337	600	600		4,568		769
Restructuring and other related costs, cash payments						(1,257)				(1,169)		(88)
Restructuring Reserve, Ending				$ 3,800	$ 4,700	$ 4,420	$ 600	$ 600		$ 3,436		$ 984