Annual report pursuant to Section 13 and 15(d)

Restructuring - (Schedule of Restructuring and Related Costs) (Details)

v2.4.1.9
Restructuring - (Schedule of Restructuring and Related Costs) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]      
Restructuring charges $ 3,583us-gaap_RestructuringCharges $ 175us-gaap_RestructuringCharges $ 73us-gaap_RestructuringCharges
Cash payments (1,328)us-gaap_PaymentsForRestructuring    
Asset impairment (2,056)us-gaap_RestructuringReserveSettledWithoutCash1    
Restructuring Reserve, Ending Balance 199us-gaap_RestructuringReserve    
Employee Severance [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges 813us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
   
Facility Closing [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges 2,056us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_FacilityClosingMember
   
Other Restructuring [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges $ 714us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_OtherRestructuringMember