Consolidated Statement of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net Income	$ 19,380	$ 14,040
Other comprehensive income
Amortization of defined benefit plan deferred losses, net of tax	180	200
Foreign currency translation	1,880	(2,140)
Net changes in unrealized gain on derivative instruments, net of tax	310	680
Total other comprehensive income (loss)	2,370	(1,260)
Total comprehensive income	21,750	12,780
Net Income Attributable to Redeemable Noncontrolling Interest	810	860
Total comprehensive income attributable to TriMas Corporation	$ 20,940	$ 11,920