Restructuring and Other Related Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Restructuring Reserve [Roll Forward]
Charges	$ 49	$ 47
Employee severance and related costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning	2,202	2,031
Cash payments	509	907
Charges	12	0
Non-cash	0	0
Restructuring Reserve, Ending	1,705	1,124
Real estate exit and related costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning	2,935	2,600
Cash payments	609	293
Charges	37	33
Non-cash	0	0
Restructuring Reserve, Ending	2,363	2,340
Asset write-offs
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning	0	0
Cash payments	0	0
Charges	0	14
Non-cash	0	14
Restructuring Reserve, Ending	0	0
Accrued restructuring liability
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning	5,137	4,631
Cash payments	1,118	1,200
Charges	49	47
Non-cash	0	14
Restructuring Reserve, Ending	4,068	$ 3,464
Accrued restructuring liability | Other Current Liabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning	4,100
Restructuring Reserve, Ending	3,200
Accrued restructuring liability | Other Noncurrent Liabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning	1,000
Restructuring Reserve, Ending	$ 900
Minimum [Member] | Real estate exit and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			$ 500
Maximum [Member] | Real estate exit and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			$ 700