Restructuring Reserve Rollforward (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014
Restructuring charges	$ 4,060	$ 6,310
Employee Severance [Member]
Accrued restructuring as of December 31, 2013
Restructuring charges		4,451
Cash payments		(1,410)
Adjustments		1	[1]
Accrued restructuring as of June 30, 2014	3,042	3,042
Contract Termination [Member]
Accrued restructuring as of December 31, 2013
Restructuring charges		1,162
Cash payments		(403)
Adjustments		(1)	[1]
Accrued restructuring as of June 30, 2014	758	758
Other Restructuring [Member]
Accrued restructuring as of December 31, 2013
Restructuring charges		148
Cash payments		(109)
Accrued restructuring as of June 30, 2014	39	39
Total accrued restructuring [Member]
Accrued restructuring as of December 31, 2013
Restructuring charges		5,761
Cash payments		(1,922)
Accrued restructuring as of June 30, 2014	$ 3,839	$ 3,839

[1] Adjustments relate to differences resulting from the translation of the liability balance at the balance sheet rate and restructuring expense translated at the weighted-average rate of exchange for the applicable period.