Consolidated Statement of Income Statement (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net sales	$ 403,980	$ 378,030	$ 771,720	$ 715,810
Cost of sales	(294,220)	(274,720)	(565,380)	(529,100)
Gross profit	109,760	103,310	206,340	186,710
Selling, general and administrative expenses	(65,720)	(61,670)	(129,710)	(121,330)
Operating profit	44,040	41,640	76,630	65,380
Other expense, net:
Interest expense	(3,440)	(5,540)	(6,910)	(10,750)
Other expense, net	(1,910)	300	(2,930)	(1,930)
Other expense, net	(5,350)	(5,240)	(9,840)	(12,680)
Income before income tax expense	38,690	36,400	66,790	52,700
Income tax expense	(12,490)	(9,300)	(21,210)	(11,560)
Income from continuing operations	26,200	27,100	45,580	41,140
Income from discontinued operations, net of income taxes	0	700	0	700
Net Income	26,200	27,800	45,580	41,840
Net income attributable to redeemable noncontrolling interests	0	910	810	1,770
Net income attributable to TriMas Corporation	$ 26,200	$ 26,890	$ 44,770	$ 40,070
Basic earnings per share attributable to TriMas Corporation:
Continuing operations	$ 0.58	$ 0.66	$ 1.00	$ 1.00
Discontinued operations	$ 0.00	$ 0.02	$ 0.00	$ 0.02
Net income per share	$ 0.58	$ 0.68	$ 1.00	$ 1.02
Weighted average common shares—basic	44,901,090	39,425,471	44,834,842	39,330,125
Diluted earnings per share attributable to TriMas Corporation:
Continuing operations	$ 0.58	$ 0.65	$ 0.99	$ 0.99
Discontinued operations	$ 0.00	$ 0.02	$ 0.00	$ 0.02
Net income per share	$ 0.58	$ 0.67	$ 0.99	$ 1.01
Weighted average common shares—diluted	45,230,862	39,886,593	45,208,488	39,790,349