Consolidated Statement of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net income	$ 12,250	$ 11,750
Other comprehensive income
Amortization of defined benefit plan deferred losses, net of tax	120	50
Foreign currency translation	4,510	4,840
Net changes in unrealized loss on interest rate swaps, net of tax	(410)	150
Total other comprehensive income	4,220	5,040
Total comprehensive income	16,470	16,790
Less: Net loss attributable to noncontrolling interests	(240)	0
Total comprehensive income attributable to TriMas Corporation	$ 16,710	$ 16,790