Restructuring and Other Related Costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended					9 Months Ended			9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Accrued restructuring liability	Sep. 30, 2014 Accrued restructuring liability Other Current Liabilities [Member]	Dec. 31, 2013 Accrued restructuring liability Other Current Liabilities [Member]	Sep. 30, 2014 Accrued restructuring liability Other Accrued Expenses and Accrued Liabilities [Member]	Sep. 30, 2014 Accrued restructuring liability Other Noncurrent Liabilities [Member]	Dec. 31, 2013 Accrued restructuring liability Other Noncurrent Liabilities [Member]	Sep. 30, 2014 Employee severance and related costs	Sep. 30, 2014 Employee severance and related costs Other Accrued Expenses and Accrued Liabilities [Member]	Sep. 30, 2014 Real estate exit and related costs	Sep. 30, 2014 Real estate exit and related costs Other Accrued Expenses and Accrued Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 0	$ 0	$ 72	$ 0	$ 801						$ 37		$ 734
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning						1,800	4,700	5,337	400	600		4,568		769
Restructuring and other related costs, cash payments								3,135				2,650		485
Restructuring Reserve, Ending						$ 1,800	$ 4,700	$ 2,244	$ 400	$ 600		$ 1,226		$ 1,018