Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net income	$ 9,218	$ 11,747	$ 44,294	$ 39,403
Other comprehensive income/(loss):
Foreign currency translation adjustments	235	(1,127)	947	(12,732)
Interest rate swap agreement, net of tax of $0, $40, $0 and $107 at respective dates		70		193
Pension plan amortization of net actuarial loss and prior service cost, net of tax of $100, $108, $300 and $324 at respective dates	202	230	606	691
Comprehensive income	$ 9,655	$ 10,920	$ 45,847	$ 27,555