Consolidated Statement of Income Statement (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net sales	$ 355,620	$ 335,870	$ 1,071,430	$ 971,870
Cost of sales	(261,470)	(245,730)	(790,570)	(706,930)
Gross profit	94,150	90,140	280,860	264,940
Selling, general and administrative expenses	(61,220)	(53,550)	(182,540)	(156,730)
Gain on dispositions of property and equipment	10,360	10	10,350	330
Operating profit	43,290	36,600	108,670	108,540
Other expense, net:
Interest expense	(5,570)	(9,450)	(16,320)	(30,420)
Debt extinguishment costs	0	0	0	(6,560)
Other income (expense), net	2,290	140	360	(2,410)
Other expense, net	(3,280)	(9,310)	(15,960)	(39,390)
Income from continuing operations before income tax expense	40,010	27,290	92,710	69,150
Income tax expense	(10,060)	(7,330)	(21,620)	(19,770)
Income from continuing operations	29,950	19,960	71,090	49,380
Income from discontinued operations, net of income taxes	0	0	700	0
Net Income	29,950	19,960	71,790	49,380
Net income attributable to redeemable noncontrolling interests	1,320	1,290	3,090	1,560
Net income attributable to TriMas Corporation	$ 28,630	$ 18,670	$ 68,700	$ 47,820
Basic earnings per share attributable to TriMas Corporation:
Continuing operations	$ 0.71	$ 0.48	$ 1.71	$ 1.29
Discontinued operations	$ 0.00	$ 0.00	$ 0.02	$ 0.00
Net income per share	$ 0.71	$ 0.48	$ 1.73	$ 1.29
Weighted average common shares—basic	40,345,828	39,045,282	39,668,693	36,994,192
Diluted earnings per share attributable to TriMas Corporation:
Continuing operations	$ 0.70	$ 0.47	$ 1.70	$ 1.28
Discontinued operations	$ 0.00	$ 0.00	$ 0.02	$ 0.00
Net income per share	$ 0.70	$ 0.47	$ 1.72	$ 1.28
Weighted average common shares—diluted	40,746,503	39,508,503	40,029,425	37,379,292