Consolidated Statements of Comprehensive Income (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Net income $ 23,169 $ 22,853 $ 24,595
Other comprehensive income (loss), net of tax:      
Foreign currency translation adjustments (losses)/gains (2,798) (1,864) 561
Change in deferred gains on cash flow hedges 0 0 77
Defined benefit pension plans:      
Net (loss)/gain arising during the year (6,023) 3,717 (2,170)
Amortization of defined benefit pension items:      
Net actuarial loss 1,682 861 752
Prior service cost (9) (8) (9)
Amortization of defined benefit pension items: 1,691 869 761
Defined benefit pension plan adjustments (4,332) 4,586 (1,409)
Total other comprehensive income (loss), net of tax (7,130) 2,722 (771)
Comprehensive income $ 16,039 $ 25,575 $ 23,824