Restructuring and Other Related Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 0	$ (298)	$ 47	$ 72
Accrued restructuring liability
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning			4,631
Accrued restructuring liability | Other Current Liabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning			3,400
Restructuring Reserve, Ending	2,000		2,000
Accrued restructuring liability | Other Accrued Expenses and Accrued Liabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning				5,337
Restructuring Reserve, Ending	2,784	3,076	2,784	3,076
Accrued restructuring liability | Other Noncurrent Liabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning			1,200
Restructuring Reserve, Ending	800		800
Employee severance and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			0	37
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning			2,031
Employee severance and related costs | Other Accrued Expenses and Accrued Liabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning				4,568
Restructuring and other related costs, cash payments			1,282	2,032
Restructuring Reserve, Ending	749	2,086	749	2,086
Real estate exit and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			33	492
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning			2,600
Real estate exit and related costs | Other Accrued Expenses and Accrued Liabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning				769
Restructuring and other related costs, cash payments			598	271
Restructuring Reserve, Ending	$ 2,035	$ 990	2,035	$ 990
Minimum | Real estate exit and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			300
Maximum | Real estate exit and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			$ 600