Consolidated Statement of Operations Statement (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net sales	$ 335,870	$ 277,660	$ 971,870	$ 824,310
Cost of sales	(245,730)	(195,720)	(706,930)	(582,260)
Gross profit	90,140	81,940	264,940	242,050
Selling, general and administrative expenses	(53,550)	(46,170)	(156,730)	(137,180)
Net gain on dispositions of property and equipment	10	20	330	50
Operating profit	36,600	35,790	108,540	104,920
Other expense, net:
Interest expense	(9,450)	(10,730)	(30,420)	(34,370)
Debt extinguishment costs	0	0	(6,560)	(3,970)
Other income (expense), net	140	540	(2,410)	(1,170)
Other expense, net	(9,310)	(10,190)	(39,390)	(39,510)
Income from continuing operations before income tax expense	27,290	25,600	69,150	65,410
Income tax expense	(7,330)	(8,620)	(19,770)	(21,730)
Income from continuing operations	19,960	16,980	49,380	43,680
Income from discontinued operations, net of income taxes	0	1,290	0	3,430
Net income	19,960	18,270	49,380	47,110
Net income attributable to redeemable noncontrolling interests	1,290	0	1,560	0
Net income attributable to TriMas Corporation	$ 18,670	$ 18,270	$ 47,820	$ 47,110
Basic earnings per share attributable to TriMas Corporation:
Continuing operations	$ 0.48	$ 0.49	$ 1.29	$ 1.28
Discontinued operations	$ 0.00	$ 0.04	$ 0.00	$ 0.10
Net income per share	$ 0.48	$ 0.53	$ 1.29	$ 1.38
Weighted average common shares—basic	39,045,282	34,417,879	36,994,192	34,182,592
Diluted earnings per share attributable to TriMas Corporation:
Continuing operations	$ 0.47	$ 0.49	$ 1.28	$ 1.26
Discontinued operations	$ 0.00	$ 0.03	$ 0.00	$ 0.10
Net income per share	$ 0.47	$ 0.52	$ 1.28	$ 1.36
Weighted average common shares—diluted	39,508,503	34,901,277	37,379,292	34,736,307