Restructuring and Other Related Costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended					6 Months Ended			6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Accrued restructuring liability	Jun. 30, 2014 Accrued restructuring liability Other Current Liabilities [Member]	Dec. 31, 2013 Accrued restructuring liability Other Current Liabilities [Member]	Jun. 30, 2014 Accrued restructuring liability Other Accrued Expenses and Accrued Liabilities [Member]	Jun. 30, 2014 Accrued restructuring liability Other Noncurrent Liabilities [Member]	Dec. 31, 2013 Accrued restructuring liability Other Noncurrent Liabilities [Member]	Jun. 30, 2014 Employee severance and related costs	Jun. 30, 2014 Employee severance and related costs Other Accrued Expenses and Accrued Liabilities [Member]	Jun. 30, 2014 Real estate exit and related costs	Jun. 30, 2014 Real estate exit and related costs Other Accrued Expenses and Accrued Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ (298)	$ 0	$ 72	$ 0	$ 559						$ 37		$ 492
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning						2,700	4,700	5,337	400	600		4,568		769
Restructuring and other related costs, cash payments								2,303				2,032		271
Restructuring Reserve, Ending						$ 2,700	$ 4,700	$ 3,076	$ 400	$ 600		$ 2,086		$ 990