10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON D.C. 20549

FORM 10-Q

(Mark One)
x	Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
For the Quarterly Period Ended September 30, 2012
Or
o	Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
For the Transition Period fromto.

Commission file number 001-10716

TRIMAS CORPORATION

(Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation or organization) 38-2687639 (IRS Employer Identification No.)

39400 Woodward Avenue, Suite 130

Bloomfield Hills, Michigan 48304

(Address of principal executive offices, including zip code)

(248) 631-5450

(Registrant's telephone number, including area code)

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x    No o.

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes x    No o.

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definitions of "large accelerated filer," "accelerated filer," and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer o	Accelerated filer x	Non-accelerated filer o	Smaller reporting company o
		(Do not check if a smaller reporting company)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o    No x

As of October 25, 2012, the number of outstanding shares of the Registrant's common stock, $0.01 par value, was 39,299,544 shares.

TriMas Corporation

Index

Part I.	Financial Information
		Forward-Looking Statements	2
	Item 1.	Consolidated Financial Statements	3
		Consolidated Balance Sheet as of September 30, 2012 and December 31, 2011	3
		Consolidated Statement of Operations for the Three and Nine Months Ended September 30, 2012 and 2011	4
		Consolidated Statement of Comprehensive Income for the Three and Nine Months Ended September 30, 2012 and 2011	5
		Consolidated Statement of Cash Flows for the Nine Months Ended September 30, 2012 and 2011	6
		Consolidated Statement of Shareholders' Equity for the Nine Months Ended September 30, 2012	7
		Notes to Consolidated Financial Statements	8
	Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	33
	Item 3.	Quantitative and Qualitative Disclosures about Market Risk	53
	Item 4.	Controls and Procedures	53
Part II.	Other Information
	Item 1.	Legal Proceedings	54
	Item 1A.	Risk Factors	54
	Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	54
	Item 3.	Defaults Upon Senior Securities	54
	Item 4.	Mine Safety Disclosures	54
	Item 5.	Other Information	54
	Item 6.	Exhibits	55
	Signatures		56

1

Forward-Looking Statements

This report contains forward-looking statements (as that term is defined by the federal securities laws) about our financial condition, results of operations and business. You can find many of these statements by looking for words such as "may," "will," "expect," "anticipate," "believe," "estimate" and similar words used in this report.

These forward-looking statements are subject to numerous assumptions, risks and uncertainties. Because the statements are subject to risks and uncertainties, actual results may differ materially from those expressed or implied by the forward-looking statements. We caution readers not to place undue reliance on the statements, which speak only as of the date of this report.

The cautionary statements set forth above should be considered in connection with any subsequent written or oral forward-looking statements that we or persons acting on our behalf may issue. We do not undertake any obligation to review or confirm analysts' expectations or estimates or to release publicly any revisions to any forward-looking statement to reflect events or circumstances after the date of this report or to reflect the occurrence of unanticipated events.

You should carefully consider the factors discussed in Part I, Item 1A, "Risk Factors," in our Annual Report on Form 10-K for the year ended December 31, 2011, which could materially affect our business, financial condition or future results. The risks described in our Annual Report on Form 10-K are not the only risks facing our Company. Additional risks and uncertainties not currently known to us or that we currently deemed to be immaterial also may materially adversely affect our business, financial position and results of operations or cash flows.

We disclose important factors that could cause our actual results to differ materially from our expectations under Part I, Item 2., "Management's Discussion and Analysis of Financial Condition and Results of Operations," and elsewhere in this report. These cautionary statements qualify all forward-looking statements attributed to us or persons acting on our behalf. When we indicate that an event, condition or circumstance could or would have an adverse effect on us, we mean to include effects upon our business, financial and other condition, results of operations, prospects and ability to service our debt.

2

PART I. FINANCIAL INFORMATION

Item 1.    Financial Statements

TriMas Corporation

Consolidated Balance Sheet

(Unaudited—dollars in thousands)

	September 30, 2012			December 31, 2011
Assets
Current assets:
Cash and cash equivalents	$	26,090		$	88,920
Receivables, net of reserves of approximately $3.8 million as of September 30, 2012 and December 31, 2011, respectively	185,040			135,610
Inventories	220,450			178,030
Deferred income taxes	18,510			18,510
Prepaid expenses and other current assets	10,150			10,620
Total current assets	460,240			431,690
Property and equipment, net	180,100			159,210
Goodwill	269,260			215,360
Other intangibles, net	208,910			155,670
Other assets	26,780			24,610
Total assets	$	1,145,290		$	986,540
Liabilities and Shareholders' Equity
Current liabilities:
Current maturities, long-term debt	$	17,950		$	7,290
Accounts payable	148,890			146,930
Accrued liabilities	79,480			70,140
Total current liabilities	246,320			224,360
Long-term debt	412,040			462,610
Deferred income taxes	66,340			64,780
Other long-term liabilities	78,780			61,000
Total liabilities	803,480			812,750
Redeemable noncontrolling interests	26,370			—
Preferred stock $0.01 par: Authorized 100,000,000 shares; Issued and outstanding: None	—			—
Common stock, $0.01 par: Authorized 400,000,000 shares; Issued and outstanding: 39,299,544 shares at September 30, 2012 and 34,613,607 shares at December 31, 2011	390			350
Paid-in capital	631,250			538,610
Accumulated deficit	(356,930		)	(404,750		)
Accumulated other comprehensive income	40,730			39,580
Total shareholders' equity	315,440			173,790
Total liabilities and shareholders' equity	$	1,145,290		$	986,540

The accompanying notes are an integral part of these financial statements.

3

TriMas Corporation

Consolidated Statement of Operations

(Unaudited—dollars in thousands, except for per share amounts)

	Three months ended September 30,						Nine months ended September 30,
	2012			2011			2012			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	—			—			(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 tax expense	—			1,290			—			3,430
Net income	19,960			18,270			49,380			47,110
Less: Net income attributable to noncontrolling interests	1,290			—			1,560			—
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	—			0.04			—			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	—			0.03			—			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

The accompanying notes are an integral part of these financial statements.

4

TriMas Corporation

Consolidated Statement of Comprehensive Income

(Unaudited—dollars in thousands)

	Three months ended September 30,						Nine months ended September 30,
	2012			2011			2012			2011
Net income	$	19,960		$	18,270		$	49,380		$	47,110
Other comprehensive income:
Amortization of defined benefit plan deferred (gains) losses (net of tax of $470 thousand and $30 thousand, and $360 thousand and $90 thousand for the three and nine months ended September 30, 2012 and 2011, respectively) (Note 14)	(740		)	60			(530		)	170
Foreign currency translation	3,040			(11,340		)	2,680			(3,990		)
Net changes in unrealized loss on derivative instruments (net of tax of $0.1 million for the three months ended September 30, 2012, and $0.6 million and $0.1 million for the nine months ended September 30, 2012 and 2011, respectively) (Note 9)	(80		)	—			(1,000		)	230
Total other comprehensive income (loss)	2,220			(11,280		)	1,150			(3,590		)
Total comprehensive income	22,180			6,990			50,530			43,520
Less: Net income attributable to noncontrolling interests	1,290			—			1,560			—
Total comprehensive income attributable to TriMas Corporation	$	20,890		$	6,990		$	48,970		$	43,520

The accompanying notes are an integral part of these financial statements.

5

TriMas Corporation

Consolidated Statement of Cash Flows

(Unaudited—dollars in thousands)

	Nine months ended September 30,
	2012			2011
Cash Flows from Operating Activities:
Net income	$	49,380		$	47,110
Adjustments to reconcile net income to net cash provided by operating activities, net of acquisition impact:
Gain on dispositions of property and equipment	(330		)	(30		)
Depreciation	18,990			19,160
Amortization of intangible assets	14,460			10,780
Amortization of debt issue costs	2,240			2,230
Deferred income taxes	(3,480		)	14,420
Debt extinguishment costs	6,560			3,970
Non-cash compensation expense	6,640			2,580
Excess tax benefits from stock based compensation	(2,310		)	(3,840		)
Increase in receivables	(38,750		)	(39,080		)
Increase in inventories	(31,440		)	(13,500		)
Increase in prepaid expenses and other assets	(600		)	(2,320		)
Decrease in accounts payable and accrued liabilities	(6,130		)	(4,750		)
Other, net	170			(1,180		)
Net cash provided by operating activities, net of acquisition impact	15,400			35,550
Cash Flows from Investing Activities:
Capital expenditures	(36,440		)	(23,520		)
Acquisition of businesses, net of cash acquired	(84,600		)	(28,620		)
Net proceeds from disposition of assets	2,950			2,240
Net cash used for investing activities	(118,090		)	(49,900		)
Cash Flows from Financing Activities:
Proceeds from sale of common stock in connection with the Company's equity offering, net of issuance costs	79,040			—
Proceeds from borrowings on term loan facilities	140,370			226,520
Repayments of borrowings on term loan facilities	(130,850		)	(250,170		)
Proceeds from borrowings on revolving credit facilities and accounts receivable facility	555,300			551,900
Repayments of borrowings on revolving credit facilities and accounts receivable facility	(555,300		)	(547,020		)
Repurchase of 9¾% senior secured notes	(50,000		)	—
Senior secured notes redemption premium and debt financing fees	(4,880		)	(6,680		)
Distributions to noncontrolling interests	(820		)	—
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	(990		)	(830		)
Proceeds from exercise of stock options	5,680			960
Excess tax benefits from stock based compensation	2,310			3,840
Net cash provided by (used for) financing activities	39,860			(21,480		)
Cash and Cash Equivalents:
Decrease for the period	(62,830		)	(35,830		)
At beginning of period	88,920			46,370
At end of period	$	26,090		$	10,540
Supplemental disclosure of cash flow information:
Cash paid for interest	$	20,990		$	25,350
Cash paid for taxes	$	23,000		$	12,140

The accompanying notes are an integral part of these financial statements.

6

TriMas Corporation

Consolidated Statement of Shareholders' Equity

Nine Months Ended September 30, 2012

(Unaudited—dollars in thousands)

	TriMas Corporation
	Common Stock		Paid-in Capital			Accumulated Deficit			Accumulated Other Comprehensive Income		Total
Balances, December 31, 2011	$	350	$	538,610		$	(404,750	)	$	39,580	$	173,790
Net income attributable to TriMas Corporation	—		—			47,820			—		47,820
Other comprehensive income	—		—			—			1,150		1,150
Net proceeds from equity offering of common stock (Note 2)	40		79,000			—			—		79,040
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	—		(990		)	—			—		(990		)
Stock option exercises and restricted stock vestings	—		5,680			—			—		5,680
Excess tax benefits from stock based compensation	—		2,310			—			—		2,310
Non-cash compensation expense	—		6,640			—			—		6,640
Balances, September 30, 2012	$	390	$	631,250		$	(356,930	)	$	40,730	$	315,440

The accompanying notes are an integral part of these financial statements.

7

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

1. Basis of Presentation

TriMas Corporation ("TriMas" or the "Company"), and its consolidated subsidiaries, is a global manufacturer and distributor of products for commercial, industrial and consumer markets. The Company is principally engaged in the following reportable segments with diverse products and market channels: Packaging, Energy, Aerospace & Defense, Engineered Components, Cequent Asia Pacific and Cequent Americas. The Company renamed its former "Cequent North America" reportable segment "Cequent Americas" effective in the third quarter of 2012 following an acquisition in Brazil to more appropriately reflect the expanding geography covered by the businesses in this reportable segment. See Note 11, "Segment Information," for further information on each of the Company's reportable segments.

The accompanying consolidated financial statements include the accounts of the Company and its subsidiaries and in the opinion of management, contain all adjustments, including adjustments of a normal and recurring nature, necessary for a fair presentation of financial position and results of operations. Results of operations for interim periods are not necessarily indicative of results for the full year. Certain prior year amounts have been reclassified to conform with the current year presentation. The accompanying consolidated financial statements and notes thereto should be read in conjunction with the Company's 2011 Annual Report on Form 10-K.

2. Equity Offering

In May 2012, the Company issued 4,000,000 shares of its common stock via a public offering at a price of $20.75 per share. Net proceeds from the offering, after deducting underwriting discounts, commissions and offering expenses of $4.0 million, totaled approximately $79.0 million. Approximately $54.9 million of the net proceeds were utilized to redeem $50.0 million aggregate principal of the Company's 9¾% senior secured notes due 2017 ("Senior Notes"). The remaining net proceeds were used for general corporate purposes, including acquisitions, capital expenditures and working capital requirements. See Note 8, "Long-term Debt," for further information on the Company's partial redemption of its Senior Notes.

3. Discontinued Operations and Assets Held for Sale

During the third quarter of 2011, the Company committed to a plan to exit its precision tool cutting and specialty fittings lines of business, both of which were part of the Engineered Components reportable segment. The businesses were sold in December 2011 for cash proceeds of $36.4 million and a note receivable of $2.2 million, which was collected during the second quarter of 2012, resulting in a pre-tax gain on sale of approximately $10.3 million. The purchase agreement also includes up to $2.5 million of additional contingent consideration, based on achievement of certain levels of future financial performance in 2012 and 2013.

The results of the aforementioned businesses are reported as discontinued operations for all periods presented. Results of discontinued operations are summarized as follows:

	Three months ended September 30,					Nine months ended September 30,
	2012		2011			2012		2011
	(dollars in thousands)
Net sales	$	—	$	11,930		$	—	$	34,670
Income from discontinued operations before income tax expense	$	—	$	2,050		$	—	$	5,450
Income tax expense	—		(760		)	—		(2,020		)
Income from discontinued operations, net of income tax expense	$	—	$	1,290		$	—	$	3,430

8

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

4. Acquisitions

Arminak & Associates

On February 24, 2012, the Company acquired 70% of the membership interests of Arminak & Associates, LLC ("Arminak") for the purchase price of approximately $67.7 million. Arminak is in the business of designing, manufacturing and supplying foamers, lotion pumps, fine mist sprayers and other packaging solutions for the cosmetic, personal care and household product markets. The acquisition of Arminak enhances the Company's highly-engineered product offering and provides access to large global customers in the cosmetic and personal care markets. Arminak is included in the Company's Packaging reportable segment.

The purchase agreement provides the Company an option to purchase, and the Sellers an option to sell, the remaining 30% noncontrolling interest at specified dates in the future based on a multiple of future earnings, as defined. The put and call options become exercisable during the first quarters of 2014, 2015 and 2016. During the first exercise period, in 2014, TriMas and Arminak's previous owners ("Sellers") have the opportunity to put or call a 10% interest in Arminak. During the second exercise period, in 2015, TriMas and the Sellers have the opportunity to put or call an additional 10%, or up to all remaining interests held by Sellers per joint agreement, as defined in the purchase agreement. Finally, during the third exercise period, in 2016, a call or put may be exercised for all or any portions of the remaining interests held by the Sellers.

The combination of a noncontrolling interest and a redemption feature resulted in a redeemable noncontrolling interest, which is classified outside of permanent equity on the accompanying consolidated balance sheet. In order to estimate the fair value of the redeemable noncontrolling interest in Arminak, the Company utilized the Monte Carlo valuation method, using variations of estimated future discounted cash flows given certain significant assumptions including expected revenue growth, minimum and maximum estimated levels of gross profit margin, future expected cash flows, amounts transferred during each put and call exercise period and appropriate discount rates. As these assumptions are not observable in the market, the calculation represents a Level 3 fair value measurement. The Company recorded the redeemable noncontrolling interest at fair value at the date of acquisition.

Each reporting period, the Company adjusts the carrying amount of the noncontrolling interest to the greater of (1) the initial carrying amount, increased or decreased for the noncontrolling interest's share of Arminak's net income or loss and its share of comprehensive income or loss and dividends and (2) the redemption value as determined by the specified multiple of earnings, as defined. This method views the end of the reporting period as if it were also the redemption date for the redeemable noncontrolling interest. If the fair value of the redeemable noncontrolling interest is less than the redemption value, there may be a charge to earnings per share attributable to TriMas Corporation. At September 30, 2012, the estimated fair value of the redeemable noncontrolling interest exceeded the redemption value.

Changes in the carrying amount of redeemable noncontrolling interest are summarized as follows:

	Nine months ended September 30, 2012
	(dollars in thousands)
Beginning balance, February 24, 2012	$	25,630
Distributions to noncontrolling interests	(820		)
Net income attributable to noncontrolling interests	1,560
Ending balance, September 30, 2012	$	26,370

9

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

The following table summarizes the fair value of consideration paid for Arminak, and the assets acquired and liabilities assumed, as well as the fair value of the noncontrolling interest in Arminak at the acquisition date. During the third quarter of 2012, the Company finalized the net working capital adjustment, which increased the total consideration by approximately $0.3 million, and made certain other insignificant measurement period adjustments to provisional amounts recognized at the acquisition date.

	(dollars in thousands)
Consideration
Initial cash paid net of working capital adjustment	$	59,200
Contingent consideration (a)	8,490
Total consideration	$	67,690
Recognized amounts of identifiable assets acquired and liabilities assumed
Receivables	$	8,760
Inventories	4,200
Intangible assets other than goodwill (b)	48,400
Other assets	2,450
Accounts payable and accrued liabilities	(4,270		)
Long-term liabilities	(1,610		)
Total identifiable net assets	57,930
Redeemable noncontrolling interests	(25,630		)
Goodwill (c)	35,390
	$	67,690

__________________________

^(a) The contingent consideration represented the Company's best estimate, based on its review, at the time of purchase, of the underlying potential obligations estimated at a range of $8 million to $9 million, of certain Seller tax-related liabilities for which the Company has indemnified the Sellers as part of the purchase agreement. During the second and third quarters of 2012, the Company paid $3.7 million of additional purchase price related to the contingent consideration. The remaining liability range of $4.3 million to $5.3 million continues to represent the Company's best estimate of the remaining potential obligation at September 30, 2012.

^(b) Consists of $33.0 million of customer relationships with an estimated 10 year useful life, $7.9 million of trademarks/trade names with an indefinite useful life and $7.5 million of technology and other intangible assets with an estimated 8 year useful life.

^(c) All of the goodwill was assigned to the Company's Packaging reportable segment and is expected to be deductible for tax purposes.

The results of operations of Arminak are included in the Company's results beginning February 24, 2012. The actual amounts of net sales and net income of Arminak included in the accompanying consolidated statement of operations are summarized as follows:

	Three months ended September 30, 2012		Nine months ended September 30, 2012
	(dollars in thousands)
Net sales	$	23,640	$	45,000
Net income	$	4,310	$	5,210

10

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

The following table summarizes the supplemental pro forma results of the combined entity as if the acquisition had occurred on January 1, 2011. The supplemental pro forma information presented below is for informational purposes and is not necessarily indicative of either future results of operations or results that might have been achieved had the acquisition been consummated on January 1, 2011:

	Pro forma Combined (a)
	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
	(dollars in thousands)
Net sales	$	335,870	$	295,080	$	979,900	$	867,310
Net income attributable to TriMas Corporation	$	18,670	$	19,390	$	49,790	$	45,420

___________________________

^(a) The supplemental pro forma results from continuing operations reflect certain adjustments, such as adjustments for acquisition costs incurred and purchase accounting adjustments related to step-up in value and subsequent amortization of inventory and intangible assets.

Total acquisition costs incurred by the Company in connection with its purchase of Arminak, primarily related to third-party legal, accounting and tax diligence fees, were approximately $1.3 million, of which approximately $0.3 million were incurred during the fourth quarter of 2011 and $1.0 million were incurred during the first quarter of 2012. These costs are recorded in selling, general and administrative expenses in the accompanying consolidated statement of operations.

Other Acquisitions

During the third quarter of 2012, the Company completed acquisitions for approximately $22 million in cash, in aggregate, with an additional estimated $12 million of deferred purchase price and contingent consideration, based primarily on post-acquisition operating results, payable over the next five years. Within its Energy reportable segment, the Company acquired CIFAL Industrial e Comercial Ltda ("CIFAL"), a Brazilian manufacturer and supplier of specialty fasteners and stud bolts, primarily to the oil and gas industry. CIFAL generated approximately $9 million in revenue for the twelve months ended June 30, 2012. Within its Cequent Americas reportable segment, the Company acquired Engetran Engenharia, Industria, e Comericio de Pecas e Accesorios Veiculares Ltda ("Engetran"), a Brazilian manufacturer of trailering and towing products including trailer hitches, skid plates and related accessories. Engetran generated approximately $6 million in revenue for the twelve months ended June 30, 2012. Lastly, within its Cequent Asia Pacific reportable segment, the Company acquired Trail Com Limited ("Trail Com"). Trail Com, with locations in New Zealand and Australia, is a distributor of towing accessories and trailer components. Trail Com generated approximately $12 million in revenue for the twelve months ended June 30, 2012.

During the third quarter of 2011, the Company completed acquisitions for an aggregate amount of approximately $29.1 million. Within its Packaging reportable segment, the Company acquired the stock of Innovative Molding ("Innovative"), a manufacturer of specialty plastic closures for bottles and jars for the food and nutrition industries located in California, for the purchase price of $27.0 million. Within its Energy reportable segment, the Company purchased substantially all of the assets of a standard ring type joint gasket manufacturer located in Faridabad, India for the purchase price of approximately $2.1 million.

The results of operations of these other acquisitions are not significant compared to the overall results of operations of the Company.

11

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

5. Goodwill and Other Intangible Assets

Changes in the carrying amount of goodwill for the nine months ended September 30, 2012 are summarized as follows:

	Packaging		Energy		Aerospace & Defense		Engineered Components		Cequent Asia Pacific		Cequent Americas		Total
	(dollars in thousands)
Balance, December 31, 2011	$	122,330	$	48,720	$	41,130	$	3,180	$	—	$	—	$	215,360
Goodwill from acquisitions	35,390		14,200		—		—		—		3,500		53,090
Foreign currency translation	590		220		—		—		—		—		810
Balance, September 30, 2012	$	158,310	$	63,140	$	41,130	$	3,180	$	—	$	3,500	$	269,260

The gross carrying amounts and accumulated amortization of the Company's other intangibles as of September 30, 2012 and December 31, 2011 are summarized below. The Company amortizes these assets over periods ranging from 1 to 30 years.

	As of September 30, 2012					As of December 31, 2011
Intangible Category by Useful Life	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(dollars in thousands)
Finite-lived intangible assets:
Customer relationships, 5 – 12 years	$	84,590	$	(28,070	)	$	37,400	$	(23,410	)
Customer relationships, 15 – 25 years	154,610		(83,900		)	154,610		(77,730		)
Total customer relationships	239,200		(111,970		)	192,010		(101,140		)
Technology and other, 1 – 15 years	36,680		(25,550		)	29,360		(23,710		)
Technology and other, 17 – 30 years	43,770		(22,520		)	43,640		(20,860		)
Total technology and other	80,450		(48,070		)	73,000		(44,570		)
Indefinite-lived intangible assets:
Trademark/Trade names	49,300		—			36,370		—
Total other intangible assets	$	368,950	$	(160,040	)	$	301,380	$	(145,710	)

Amortization expense related to intangible assets as included in the accompanying consolidated statement of operations is summarized as follows:

	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
	(dollars in thousands)
Technology and other, included in cost of sales	$	1,270	$	950	$	3,620	$	2,590
Customer relationships, included in selling, general and administrative expenses	4,000		2,790		10,840		8,190
Total amortization expense	$	5,270	$	3,740	$	14,460	$	10,780

12

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

6. Inventories

Inventories consist of the following components:

	September 30, 2012		December 31, 2011
	(dollars in thousands)
Finished goods	$	146,340	$	119,020
Work in process	28,360		21,730
Raw materials	45,750		37,280
Total inventories	$	220,450	$	178,030

7. Property and Equipment, Net

Property and equipment consists of the following components:

	September 30, 2012		December 31, 2011
	(dollars in thousands)
Land and land improvements	$	5,840	$	5,740
Buildings	57,190		51,480
Machinery and equipment	325,600		291,960
	388,630		349,180
Less: Accumulated depreciation	208,530		189,970
Property and equipment, net	$	180,100	$	159,210

Depreciation expense as included in the accompanying consolidated statement of operations is as follows:

	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
	(dollars in thousands)
Depreciation expense, included in cost of sales	$	5,400	$	5,260	$	16,420	$	15,300
Depreciation expense, included in selling, general and administrative expense	900		730		2,570		2,200
Total depreciation expense	$	6,300	$	5,990	$	18,990	$	17,500

13

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

8. Long-term Debt

The Company's long-term debt consists of the following:

	September 30, 2012		December 31, 2011
	(dollars in thousands)
U.S. bank debt and receivables facility	$	217,190	$	223,870
Non-U.S. bank debt and other	15,780		140
9¾% senior secured notes, due December 2017	197,020		245,890
	429,990		469,900
Less: Current maturities, long-term debt	17,950		7,290
Long-term debt	$	412,040	$	462,610

U.S. Bank Debt

The Company is a party to a credit facility consisting of a $125.0 million revolving credit facility, which matures in June 2016 and is subject to interest at London Interbank Offered Rates ("LIBOR") plus 3.25%, and a $225.0 million term loan facility, which matures in June 2017 and is subject to interest at LIBOR plus 3.00% (subject to a 1.25% LIBOR floor) (collectively, the "Credit Agreement").

Under the Credit Agreement, the Company may be required to prepay a portion of its term loan under an excess cash flow sweep provision, as defined, with the amount of such prepayment based on the Company's leverage ratio, as defined. In April 2012, the Company prepaid $5.0 million of term loan principal under this provision. The Company is also able to issue letters of credit, not to exceed $50.0 million in aggregate, against its revolving credit facility commitments. At September 30, 2012 and December 31, 2011, the Company had letters of credit of approximately $23.3 million and $23.9 million, respectively, issued and outstanding.

At September 30, 2012 and December 31, 2011, the Company had no amounts outstanding under its revolving credit facilities and had $101.7 million and $101.1 million, respectively, potentially available after giving effect to approximately $23.3 million and $23.9 million, respectively, of letters of credit issued and outstanding. However, including availability under its accounts receivable facility and after consideration of leverage restrictions contained in the Credit Agreement, the Company had $191.1 million and $158.8 million, respectively, of borrowing capacity available to it for general corporate purposes.

The debt under the Credit Agreement is an obligation of the Company and certain of its subsidiaries. Although the terms of the Credit Agreement do not restrict the Company's subsidiaries from making distributions to it in respect of its Senior Notes, it does contain certain other limitations on the distribution of funds from TriMas Company LLC, the Company's principal subsidiary. The restricted net assets of the guarantor subsidiaries of approximately $513.4 million and $412.8 million at September 30, 2012 and December 31, 2011, respectively, are presented in Note 17, "Supplemental Guarantor Condensed Consolidating Financial Information." The Credit Agreement also contains various negative and affirmative covenants and other requirements affecting the Company and its subsidiaries. The Company was in compliance with its covenants at September 30, 2012.

During the second quarter of 2011, the Company incurred $6.6 million in fees to complete the refinance of its U.S. bank debt, of which $4.2 million was capitalized as deferred financing fees and $2.4 million was recorded as debt extinguishment costs in the accompanying statement of operations. In addition, the Company also recorded debt extinguishment costs of $1.6 million related to deferred financing fees associated with the previous credit agreement.

The Company's term loan facility traded at approximately 99.8% and 99.0% of par value as of September 30, 2012 and December 31, 2011, respectively, and was valued based on Level 2 inputs as defined in the fair value hierarchy.

Non-U.S. Bank Debt

The Company's Australian subsidiary is party to a debt agreement which matures on May 31, 2013 and is secured by substantially all the assets of the subsidiary. At September 30, 2012, the balance outstanding under this agreement was approximately $15.6 million at an average interest rate of 3.6%. At December 31, 2011, the Company's Australian subsidiary had no amounts outstanding under this debt agreement.

14

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

Notes

In June 2012, the Company completed a partial redemption of its Senior Notes using cash proceeds from its May 2012 equity offering, paying approximately $54.9 million to redeem $50.0 million in aggregate principal at a redemption price equal to 109.750% of the principal amount. In connection with this partial redemption, the Company also incurred non-cash debt extinguishment costs of approximately $1.7 million. See Note 2, "Equity Offering," for further information on the Company's equity offering.

The Company's Senior Notes indenture contains negative and affirmative covenants and other requirements that are comparable to those contained in the Credit Agreement. At September 30, 2012, the Company was in compliance with all such covenant requirements.

The Company's Senior Notes traded at approximately 115.0% and 108.5% of par value as of September 30, 2012 and December 31, 2011, respectively, and was valued based on Level 2 inputs as defined in the fair value hierarchy.

Receivables Facility

The Company is a party to an accounts receivable facility through TSPC, Inc. ("TSPC"), a wholly-owned subsidiary, to sell trade accounts receivable of substantially all of the Company's domestic business operations. Under this facility, TSPC, from time to time, may sell an undivided fractional ownership interest in the pool of receivables up to approximately $90.0 million to a third party multi-seller receivables funding company. The net amount financed under the facility is less than the face amount of accounts receivable by an amount that approximates the purchaser's financing costs. The cost of funds under this facility consisted of a 3-month LIBOR-based rate plus a usage fee of 1.50% as of September 30, 2012 and 2011, respectively, and a fee on the unused portion of the facility of 0.45% as of September 30, 2012 and 2011, respectively.

The Company did not have any amounts outstanding under the facility as of September 30, 2012 or December 31, 2011, but had $89.4 million and $57.6 million, respectively, available but not utilized. Aggregate costs incurred under the facility were $0.3 million and $0.5 million for the three months ended September 30, 2012 and 2011, respectively, and $0.8 million and $1.4 million for the nine months ended September 30, 2012 and 2011, respectively, and are included in interest expense in the accompanying consolidated statement of operations. The facility expires on September 15, 2015.

The cost of funds fees incurred are determined by calculating the estimated present value of the receivables sold compared to their carrying amount. The estimated present value factor is based on historical collection experience and a discount rate based on a 3-month LIBOR-based rate plus the usage fee discussed above and is computed in accordance with the terms of the securitization agreement. As of September 30, 2012, the cost of funds under the facility was based on an average liquidation period of the portfolio of approximately 1.6 months and an average discount rate of 1.8%.

9. Derivative Instruments

In March 2012, the Company entered into an interest rate swap agreement to fix the LIBOR-based variable portion of the interest rate on a total of $100.0 million notional amount of its term loan facility. The swap agreement fixes the LIBOR-based variable portion of the interest rate at 1.80% and expires on June 23, 2016. The Company has designated the swap agreement as a cash flow hedge.

In addition, the Company was party to a $125.0 million notional amount interest rate swap which expired in July 2011 and a second interest rate swap with a notional amount of $75.0 million which expired in the first quarter of 2011. Both of these swaps were associated with the Company's previous term loan facility, but during 2011 neither was designated as a hedging instrument. During 2011, a loss of $10 thousand was recognized in interest expense.

15

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

As of September 30, 2012 and December 31, 2011, the fair value carrying amount of the Company's interest rate swaps are recorded as follows:

		Asset Derivatives				Liability Derivatives
	Balance Sheet Caption	September 30, 2012		December 31, 2011		September 30, 2012		December 31, 2011
		(dollars in thousands)
Derivatives designated as hedging instruments
Interest rate swap	Accrued liabilities	$	—	$	—	$	550	$	—
Interest rate swap	Other long-term liabilities	—		—		1,060		—
Total derivatives designated as hedging instruments		$	—	$	—	$	1,610	$	—

The effect of interest rate swaps on the consolidated statement of operations for the three and nine months ended September 30, 2012 and 2011 is summarized as follows:

	Amount of Loss Recognized in AOCI on Derivative (Effective Portion, net of tax)						Amount of Loss Reclassified from AOCI into Earnings
							Three months ended September 30,					Nine months ended September 30,
	As of September 30, 2012			As of December 31, 2011		Location of Loss Reclassified from AOCI into Earnings (Effective Portion)	2012			2011		2012			2011
	(dollars in thousands)						(dollars in thousands)
Derivatives designated as hedging instruments
Interest rate swaps	$	(1,000	)	$	—	Interest expense	$	(140	)	$	—	$	(250	)	$	(360	)

Over the next 12 months, the Company expects to reclassify approximately $0.6 million of pre-tax deferred losses from accumulated other comprehensive income to interest expense as the related interest payments for the designated interest rate swaps are recognized.

Valuations of the interest rate swap were based on the income approach, which uses observable inputs such as interest rate yield curves and forward currency exchange rates. Fair value measurements and the fair value hierarchy level for the Company's assets and liabilities measured at fair value on a recurring basis as of September 30, 2012 are shown below.  

		September 30, 2012
Description	Frequency	Asset / (Liability)			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
		(dollars in thousands)
Interest rate swaps	Recurring	$	(1,610	)	$	—	$	(1,610	)	$	—

16

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

10. Commitments and Contingencies

Asbestos

As of September 30, 2012, the Company was a party to 1,119 pending cases involving an aggregate of 7,972 claimants alleging personal injury from exposure to asbestos containing materials formerly used in gaskets (both encapsulated and otherwise) manufactured or distributed by certain of the Company's subsidiaries for use primarily in the petrochemical refining and exploration industries. The following chart summarizes the number of claimants, number of claims filed, number of claims dismissed, number of claims settled, the average settlement amount per claim and the total defense costs, exclusive of amounts reimbursed under the Company's primary insurance, at the applicable date and for the applicable periods:

	Claims pending at beginning of period	Claims filed during period	Claims dismissed during period	Claims settled during period	Average settlement amount per claim during period		Total defense costs during period
Fiscal Year Ended December 31, 2011	8,200	476	607	21	$	14,300	$	2,510,000
Nine Months Ended September 30, 2012	8,048	278	340	14	16,379		2,054,220

In addition, the Company acquired various companies to distribute its products that had distributed gaskets of other manufacturers prior to acquisition. The Company believes that many of its pending cases relate to locations at which none of its gaskets were distributed or used.

The Company may be subjected to significant additional asbestos-related claims in the future, the cost of settling cases in which product identification can be made may increase, and the Company may be subjected to further claims in respect of the former activities of its acquired gasket distributors. The Company is unable to make a meaningful statement concerning the monetary claims made in the asbestos cases given that, among other things, claims may be initially made in some jurisdictions without specifying the amount sought or by simply stating the requisite or maximum permissible monetary relief, and may be amended to alter the amount sought. The large majority of claims do not specify the amount sought. Of the 7,972 claims pending at September 30, 2012, 76 set forth specific amounts of damages (other than those stating the statutory minimum or maximum). Below is a breakdown of the amount sought for those claims seeking specific amounts:

	Compensatory & Punitive			Compensatory Only			Punitive Only
Range of damages sought (in millions)	$0.2 to $5.0	$5.0 to $10.0	$10.0+	$0.1 to $0.6	$0.6 to $5.0	$5.0+	$0.0 to $2.5	$2.5 to $5.0	$5.0+
Number of claims	57	15	4	51	22	3	57	15	4

In addition, relatively few of the claims have reached the discovery stage and even fewer claims have gone past the discovery stage.

Total settlement costs (exclusive of defense costs) for all asbestos-related cases, some of which were filed over 20 years ago, have been approximately $6.3 million. All relief sought in the asbestos cases is monetary in nature. To date, approximately 40% of the Company's costs related to settlement and defense of asbestos litigation have been covered by its primary insurance. Effective February 14, 2006, the Company entered into a coverage-in-place agreement with its first level excess carriers regarding the coverage to be provided to the Company for asbestos-related claims when the primary insurance is exhausted. The coverage-in-place agreement makes asbestos defense costs and indemnity coverage available to the Company that might otherwise be disputed by the carriers and provides a methodology for the administration of such expenses. Nonetheless, the Company believes it is likely there will be a period within the next one or two years, prior to the commencement of coverage under this agreement and following exhaustion of the Company's primary insurance coverage, during which the Company will be solely responsible for defense costs and indemnity payments, the duration of which would be subject to the scope of damage awards and settlements paid.

17

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

Based on the settlements made to date and the number of claims dismissed or withdrawn for lack of product identification, the Company believes that the relief sought (when specified) does not bear a reasonable relationship to its potential liability. Based upon the Company's experience to date, including the trend in annual defense and settlement costs incurred to date, and other available information (including the availability of excess insurance), the Company does not believe these cases will have a material adverse effect on its financial position and results of operations or cash flows.

Ordinary Course Claims

The Company is subject to other claims and litigation in the ordinary course of business, but does not believe that any such claim or litigation will have a material adverse effect on its financial position and results of operations or cash flows.

11. Segment Information

TriMas groups its operating segments into reportable segments that provide similar products and services. Each operating segment has discrete financial information evaluated regularly by the Company's chief operating decision maker in determining resource allocation and assessing performance. Within these reportable segments, there are no individual products or product families for which reported net sales accounted for more than 10% of the Company's consolidated net sales. See below for more information regarding the types of products and services provided within each reportable segment:

Packaging – Highly engineered closure and dispensing systems for a range of end markets, including steel and plastic industrial and consumer packaging applications.

Energy – Metallic and non-metallic industrial sealant products and fasteners for the petroleum refining, petrochemical and other industrial markets.

Aerospace & Defense – Highly engineered specialty fasteners and screws for the commercial and military aerospace industries and military munitions components for the defense industry.

Engineered Components – High-pressure and low-pressure cylinders for the transportation, storage and dispensing of compressed gases, and natural gas engines, compressors, gas production equipment and chemical pumps engineered at well sites for the oil and gas industry.

Cequent Asia Pacific & Cequent Americas – Custom-engineered towing, trailering and electrical products including trailer couplers, winches, jacks, trailer brakes and brake control solutions, lighting accessories and roof racks for the recreational vehicle, agricultural/utility, marine, automotive and commercial trailer markets, functional vehicle accessories and cargo management solutions including vehicle hitches and receivers, sway controls, weight distribution and fifth-wheel hitches, hitch-mounted accessories and other accessory components.

18

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

Segment activity is as follows:

	Three months ended September 30,						Nine months ended September 30,
	2012			2011			2012			2011
	(dollars in thousands)
Net Sales
Packaging	$	77,240		$	46,090		$	202,250		$	137,890
Energy	45,460			42,690			143,220			125,810
Aerospace & Defense	20,810			20,330			58,000			60,160
Engineered Components	51,880			46,010			154,180			126,870
Cequent Asia Pacific	37,480			26,020			94,230			67,390
Cequent Americas	103,000			96,520			319,990			306,190
Total	$	335,870		$	277,660		$	971,870		$	824,310
Operating Profit (Loss)
Packaging	$	18,240		$	10,240		$	44,700		$	37,140
Energy	3,780			4,560			14,520			14,920
Aerospace & Defense	6,030			5,420			15,710			14,000
Engineered Components	6,310			7,730			22,620			19,010
Cequent Asia Pacific	3,950			5,250			9,000			9,720
Cequent Americas	8,430			9,580			28,090			30,630
Corporate expenses	(10,140		)	(6,990		)	(26,100		)	(20,500		)
Total	$	36,600		$	35,790		$	108,540		$	104,920

12. Equity Awards

The Company maintains the following long-term equity incentive plans: the 2011 TriMas Corporation Omnibus Incentive Compensation Plan, the TriMas Corporation 2006 Long Term Equity Incentive Plan and the TriMas Corporation 2002 Long Term Equity Incentive Plan (collectively, the "Plans"). See below for details of awards under the Plans by type.

Stock Options

The Company did not grant any stock options during the three or nine months ended September 30, 2012. Information related to stock options at September 30, 2012 is as follows:

	Number of Options		Weighted Average Option Price		Average  Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2012	1,271,149		$	13.29
Exercised	(509,763	)	10.90
Cancelled	(2,500	)	23.00
Expired	(15,308	)	20.00
Outstanding at September 30, 2012	743,578		$	14.76	4.4	$	6,950,057

As of September 30, 2012, 717,292 stock options were exercisable under the Plans. In addition, the fair value of options which vested during the nine months ended September 30, 2012 and 2011 was $0.4 million and $0.3 million, respectively.

19

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

The Company did not incur significant stock-based compensation expense related to stock options during the three or nine months ended September 30, 2012 and 2011.

Restricted Shares

During the nine months ended September 30, 2012, the Company issued 6,302 shares related to director fee deferrals. The Company allows for its non-employee independent directors to make an annual election to defer all or a portion of their directors fees and to receive the deferred amount in cash or equity. Certain of the Company's directors have elected to defer all or a portion of their directors fees and to receive the amount in Company common stock at a future date.

The Company also awarded multiple restricted stock grants during the first quarter of 2012. First, the Company granted 19,532 restricted shares of common stock to certain employees which are subject only to a service condition and vest ratably over three years so long as the employee remains with the Company.

Secondly, the Company awarded 60,665 restricted shares of common stock to certain employees during the first quarter of 2012. These shares are subject only to a service condition and vest on the first anniversary date of the award. The awards were made to participants in the Company's short-term Incentive Compensation Plan ("ICP"), where, beginning in the 2010 plan year, all ICP participants whose target ICP annual award exceeds $20 thousand receive 80% of the value in earned cash and 20% in the form of a restricted stock award upon finalization of the award amount in the first quarter each year, following the previous plan year.

The Company awarded206,064 restricted shares to certain Company key employees during the first quarter of 2012. Half of the restricted shares granted are service-based restricted stock units. These awards vest ratably over three years. The other half of the shares are subject to a performance condition and are earned based upon the achievement of two performance metrics over a period of three calendar years, beginning on January 1, 2012 and ending on December 31, 2014. Of this award, 75% of the awards are earned based upon the Company's earnings per share ("EPS") cumulative average growth rate ("EPS CAGR") over the performance period. The remaining 25% of the grants are earned based upon the Company's cash generation results. Cash generation is defined as the Company's cumulative three year cash flow from operating activities less capital expenditures, as publicly reported by the Company, plus or minus special items that may occur from time-to-time, divided by the Company's three-year income from continuing operations as publicly reported by the Company, plus or minus special items that may occur from time-to-time. Depending on the performance achieved for these two metrics, the amount of shares earned can vary from 30% of the target award to a maximum amount of 200% of the target award for the cash flow metric and 250% of the target award for the EPS CAGR metric. However, if these performance metrics are not achieved, no award will be earned. The performance awards vest on a "cliff" basis at the end of the three-year performance period.

During the first quarter of 2012, the Company also awarded 166,530 restricted shares to certain Company key employees which are solely performance-based grants. Of this award, 60% are earned based on 2012 earnings per share growth, and the remaining 40% are earned based on the EPS CAGR for 2012 and 2013. Depending on the performance achieved for these two specific metrics, the amount of shares earned can vary from 30% of the target award to a maximum amount of 250% of the target award. However, if these performance metrics are not achieved, no award will be earned.

In addition, the Company granted 16,440 restricted shares of its common stock to its non-employee independent directors, which vest one year from date of grant so long as the director and/or Company does not terminate his services prior to the vesting date.

Information related to restricted shares at September 30, 2012 is as follows:

	Number of Unvested Restricted Shares		Weighted Average Grant Date Fair Value		Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2012	332,043		$	16.25
Granted	475,533		24.30
Vested	(151,027	)	16.77
Cancelled	(13,856	)	23.91
Outstanding at September 30, 2012	642,693		$	21.92	1.8	$	15,495,328

20

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

As of September 30, 2012, there was approximately $8.8 million of unrecognized compensation cost related to unvested restricted shares that is expected to be recorded over a weighted-average period of 1.6 years.

The Company recognized approximately $2.7 million and $0.8 million of stock-based compensation expense related to restricted shares during the three months ended September 30, 2012 and 2011, respectively, and approximately $6.2 million and $2.4 million for the nine months ended September 30, 2012 and 2011, respectively. The stock-based compensation expense is included in selling, general and administrative expenses in the accompanying statement of operations.

13. Earnings per Share

Net earnings are divided by the weighted average number of shares outstanding during the period to calculate basic earnings per share. Diluted earnings per share are calculated to give effect to stock options and other stock-based awards. The calculation of diluted earnings per share included 289,120 and 156,213 restricted shares for the three months ended September 30, 2012 and 2011, respectively and 164,163 and 114,911 restricted shares for the nine months ended September 30, 2012 and 2011, respectively. The calculation of diluted earnings per share also included options to purchase 174,101 and 327,185 shares of common stock for the three months ended September 30, 2012 and 2011, respectively and 220,937 and 438,803 for the nine months ended September 30, 2012 and 2011, respectively.

14. Defined Benefit Plans

Net periodic pension and postretirement benefit costs for the Company's defined benefit pension plans and postretirement benefit plans cover foreign employees, union hourly employees and certain salaried employees. The components of net periodic pension and postretirement benefit costs for the three and nine months ended September 30, 2012 and 2011 are as follows:

	Pension Plans												Other Postretirement Benefits
	Three months ended September 30,						Nine months ended September 30,						Three months ended September 30,						Nine months ended September 30,
	2012			2011			2012			2011			2012			2011			2012			2011
	(dollars in thousands)
Service costs	$	150		$	160		$	450		$	480		$	—		$	—		$	—		$	—
Interest costs	410			400			1,210			1,200			20			10			40			30
Expected return on plan assets	(430		)	(400		)	(1,280		)	(1,210		)	—			—			—			—
Amortization of prior service cost	—			—			10			10			(70		)	(70		)	(200		)	(200		)
Settlement/curtailment (gain)	—			—			—			—			(1,490		)	—			(1,490		)	—
Amortization of net (gain)/loss	260			180			790			530			(20		)	(20		)	(60		)	(60		)
Net periodic benefit cost	$	390		$	340		$	1,180		$	1,010		$	(1,560	)	$	(80	)	$	(1,710	)	$	(230	)

During the third quarter of 2012, the Company recognized previously deferred gains associated with one of the Company's postretirement benefit plans of approximately $1.5 million as a result of not having any remaining eligible participants.

The Company contributed approximately $1.0 million and $5.5 million to its defined benefit pension plans during the three and nine months ended September 30, 2012, respectively. The Company expects to contribute approximately $5.8 million to its defined benefit pension plans for the full year 2012.

21

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

15. New Accounting Pronouncements

In July 2012, the Financial Accounting Standards Board issued Accounting Standards Update 2012-2, "Intangibles - Goodwill and Other (Topic 350): Testing Indefinite-Lived Intangible Assets for Impairment" ("ASU 2012-2"). ASU 2012-2 gives companies the option to perform a qualitative assessment to determine whether it is more likely than not (a likelihood of more than 50%) that the fair value of a reporting unit is less than its carrying amount, and in some cases, skip the two-step impairment test. The objective of the revised standard is to simplify how an entity tests indefinite-lived intangible assets for impairment and to reduce the cost and complexity of the annual impairment test. ASU 2012-2 will be effective annual and interim impairment tests performed for fiscal years beginning after September 15, 2012, with early adoption permitted. The Company is currently evaluating this guidance and the potential impact of the revised standard on the Company's annual indefinite-lived intangible asset impairment test.

16. Subsequent Event

In October 2012, the Company amended and restated its existing Credit Agreement (the "Amended and Restated Credit Agreement" or "ARCA"), pursuant to which the Company was able to reduce interest rates, extend maturities and increase its available liquidity. Below is a summary of the key terms under the ARCA:

Instrument	Amount ($ in millions)		Maturity Date	Interest Rate
Senior Secured Revolving Credit facility	$	250.0	10/11/2017	LIBOR plus 2.00%
Senior Secured Term Loan A facility	$	200.0	10/11/2017	LIBOR plus 2.00%
Senior Secured Term Loan B facility	$	200.0	10/11/2019	LIBOR plus 2.75% with a 1.00% LIBOR floor

The Company used the proceeds from borrowings under the ARCA to repay outstanding amounts under the existing Credit Agreement and to complete a tender offer for its Senior Notes, pursuant to which $176.5 million aggregate principal amount were repurchased, representing 88.3% of the aggregate principal amount outstanding.

The Company incurred approximately $40 million in cash costs during the fourth quarter to complete the above debt restructuring, primarily related to the tender offer premium in connection with the repurchase of the Senior Notes.

17. Supplemental Guarantor Condensed Consolidating Financial Information

Under an indenture dated December 29, 2009, TriMas Corporation, the parent company ("Parent"), issued its Senior Notes in a total principal amount of $250.0 million (face value). The outstanding Senior Notes are fully and unconditionally guaranteed on a joint and several basis by substantially all of the Company's domestic subsidiaries ("Guarantor Subsidiaries”). The Company's non-domestic subsidiaries and TSPC, Inc. have not guaranteed the Senior Notes ("Non-Guarantor Subsidiaries"). The Guarantor Subsidiaries have also guaranteed amounts outstanding under the Company's Credit Agreement.

The accompanying supplemental guarantor condensed, consolidating financial information is presented using the equity method of accounting for all periods presented. Under this method, investments in subsidiaries are recorded at cost and adjusted for the Company's share in the subsidiaries' cumulative results of operations, capital contributions and distributions and other changes in equity. Elimination entries relate primarily to the elimination of investments in subsidiaries and associated intercompany balances and transactions.

22

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

Supplemental Guarantor

Condensed Financial Statements

Consolidating Balance Sheet

(dollars in thousands)

	September 30, 2012
	Parent		Guarantor		Non- Guarantor		Eliminations			Consolidated Total
Assets
Current assets:
Cash and cash equivalents	$	—	$	5,860	$	20,230	$	—		$	26,090
Trade receivables, net	—		147,400		37,640		—			185,040
Receivables, intercompany	—		10,200		—		(10,200		)	—
Inventories	—		163,700		56,750		—			220,450
Deferred income taxes	—		17,320		1,190		—			18,510
Prepaid expenses and other current assets	—		8,590		1,560		—			10,150
Total current assets	—		353,070		117,370		(10,200		)	460,240
Investments in subsidiaries	513,420		170,050		—		(683,470		)	—
Property and equipment, net	—		111,420		68,680		—			180,100
Goodwill	—		204,680		64,580		—			269,260
Intangibles and other assets	4,780		203,640		28,610		(1,340		)	235,690
Total assets	$	518,200	$	1,042,860	$	279,240	$	(695,010	)	$	1,145,290
Liabilities and Shareholders' Equity
Current liabilities:
Current maturities, long-term debt	$	—	$	2,330	$	15,620	$	—		$	17,950
Accounts payable, trade	—		110,260		38,630		—			148,890
Accounts payable, intercompany	—		—		10,200		(10,200		)	—
Accrued liabilities	5,740		60,650		13,090		—			79,480
Total current liabilities	5,740		173,240		77,540		(10,200		)	246,320
Long-term debt	197,020		215,020		—		—			412,040
Deferred income taxes	—		56,760		10,920		(1,340		)	66,340
Other long-term liabilities	—		58,050		20,730		—			78,780
Total liabilities	202,760		503,070		109,190		(11,540		)	803,480
Redeemable noncontrolling interest	—		26,370		—		—			26,370
Total shareholders' equity	315,440		513,420		170,050		(683,470		)	315,440
Total liabilities and shareholders' equity	$	518,200	$	1,042,860	$	279,240	$	(695,010	)	$	1,145,290

23

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

Supplemental Guarantor

Condensed Financial Statements

Consolidating Balance Sheet

(dollars in thousands)

	December 31, 2011
	Parent		Guarantor		Non- Guarantor		Eliminations			Consolidated Total
Assets
Current assets:
Cash and cash equivalents	$	—	$	33,820	$	55,100	$	—		$	88,920
Trade receivables, net	—		105,030		30,580		—			135,610
Receivables, intercompany	—		2,290		—		(2,290		)	—
Inventories	—		147,010		31,020		—			178,030
Deferred income taxes	—		17,280		1,230		—			18,510
Prepaid expenses and other current assets	—		8,950		1,670		—			10,620
Total current assets	—		314,380		119,600		(2,290		)	431,690
Investments in subsidiaries	412,840		169,360		—		(582,200		)	—
Property and equipment, net	—		103,880		55,330		—			159,210
Goodwill	—		169,290		46,070		—			215,360
Intangibles and other assets	7,920		169,020		6,350		(3,010		)	180,280
Total assets	$	420,760	$	925,930	$	227,350	$	(587,500	)	$	986,540
Liabilities and Shareholders' Equity
Current liabilities:
Current maturities, long-term debt	$	—	$	7,290	$	—	$	—		$	7,290
Accounts payable, trade	—		115,150		31,780		—			146,930
Accounts payable, intercompany	—		—		2,290		(2,290		)	—
Accrued liabilities	1,080		58,660		10,400		—			70,140
Total current liabilities	1,080		181,100		44,470		(2,290		)	224,360
Long-term debt	245,890		216,720		—		—			462,610
Deferred income taxes	—		61,580		6,210		(3,010		)	64,780
Other long-term liabilities	—		53,690		7,310		—			61,000
Total liabilities	246,970		513,090		57,990		(5,300		)	812,750
Total shareholders' equity	173,790		412,840		169,360		(582,200		)	173,790
Total liabilities and shareholders' equity	$	420,760	$	925,930	$	227,350	$	(587,500	)	$	986,540

24

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Operations

(dollars in thousands)

	Three Months Ended September 30, 2012
	Parent			Guarantor			Non-Guarantor			Eliminations			Consolidated Total
Net sales	$	—		$	275,570		$	88,220		$	(27,920	)	$	335,870
Cost of sales	—			(201,870		)	(71,780		)	27,920			(245,730		)
Gross profit	—			73,700			16,440			—			90,140
Selling, general and administrative expenses	—			(44,240		)	(9,310		)	—			(53,550		)
Gain (loss) on dispositions of property and equipment	—			(20		)	30			—			10
Operating profit	—			29,440			7,160			—			36,600
Other expense, net:
Interest expense	(5,140		)	(3,620		)	(690		)	—			(9,450		)
Other, net	—			300			(160		)	—			140
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	(5,140		)	26,120			6,310			—			27,290
Income tax (expense) benefit	1,800			(8,160		)	(970		)	—			(7,330		)
Equity in net income of subsidiaries	23,300			5,340			—			(28,640		)	—
Net income	19,960			23,300			5,340			(28,640		)	19,960
Less: Net income attributable to noncontrolling interests	—			1,290			—			—			1,290
Net income attributable to TriMas Corporation	$	19,960		$	22,010		$	5,340		$	(28,640	)	$	18,670

25

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Operations

(dollars in thousands)

	Three Months Ended September 30, 2011
	Parent			Guarantor			Non-Guarantor			Eliminations			Consolidated Total
Net sales	$	—		$	230,030		$	59,910		$	(12,280	)	$	277,660
Cost of sales	—			(164,480		)	(43,520		)	12,280			(195,720		)
Gross profit	—			65,550			16,390			—			81,940
Selling, general and administrative expenses	—			(39,080		)	(7,090		)	—			(46,170		)
Gain (loss) on dispositions of property and equipment	—			70			(50		)	—			20
Operating profit	—			26,540			9,250			—			35,790
Other income (expense), net:
Interest expense	(6,420		)	(3,660		)	(650		)	—			(10,730		)
Other, net	—			(770		)	1,310			—			540
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	(6,420		)	22,110			9,910			—			25,600
Income tax (expense) benefit	3,330			(9,030		)	(2,920		)	—			(8,620		)
Equity in net income of subsidiaries	21,360			6,990			—			(28,350		)	—
Income from continuing operations	18,270			20,070			6,990			(28,350		)	16,980
Income from discontinued operations, net of income taxes	—			1,290			—			—			1,290
Net income	$	18,270		$	21,360		$	6,990		$	(28,350	)	$	18,270

26

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Operations

(dollars in thousands)

	Nine Months Ended September 30, 2012
	Parent			Guarantor			Non-Guarantor			Eliminations			Consolidated Total
Net sales	$	—		$	813,000		$	215,870		$	(57,000	)	$	971,870
Cost of sales	—			(593,450		)	(170,480		)	57,000			(706,930		)
Gross profit	—			219,550			45,390			—			264,940
Selling, general and administrative expenses	—			(131,370		)	(25,360		)	—			(156,730		)
Gain on dispositions of property and equipment	—			300			30			—			330
Operating profit	—			88,480			20,060			—			108,540
Other income (expense), net:
Interest expense	(17,750		)	(11,130		)	(1,540		)	—			(30,420		)
Debt extinguishment costs	(6,560		)	—			—			—			(6,560		)
Other, net	—			(3,330		)	920			—			(2,410		)
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	(24,310		)	74,020			19,440			—			69,150
Income tax (expense) benefit	8,510			(24,260		)	(4,020		)	—			(19,770		)
Equity in net income of subsidiaries	65,180			15,420			—			(80,600		)	—
Net income	49,380			65,180			15,420			(80,600		)	49,380
Less: Net income attributable to noncontrolling interests	—			1,560			—			—			1,560
Net income attributable to TriMas Corporation	$	49,380		$	63,620		$	15,420		$	(80,600	)	$	47,820

27

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Operations

(dollars in thousands)

	Nine Months Ended September 30, 2011
	Parent			Guarantor			Non-Guarantor			Eliminations			Consolidated Total
Net sales	$	—		$	687,770		$	171,000		$	(34,460	)	$	824,310
Cost of sales	—			(490,760		)	(125,960		)	34,460			(582,260		)
Gross profit	—			197,010			45,040			—			242,050
Selling, general and administrative expenses	—			(114,890		)	(22,290		)	—			(137,180		)
Gain (loss) on dispositions of property and equipment	—			80			(30		)	—			50
Operating profit	—			82,200			22,720			—			104,920
Other income (expense), net:
Interest expense	(19,250		)	(13,320		)	(1,800		)	—			(34,370		)
Debt extinguishment costs	—			(3,970		)	—			—			(3,970		)
Other, net	—			(5,180		)	4,010			—			(1,170		)
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	(19,250		)	59,730			24,930			—			65,410
Income tax (expense) benefit	7,820			(21,510		)	(8,040		)	—			(21,730		)
Equity in net income of subsidiaries	58,540			16,890			—			(75,430		)	—
Income from continuing operations	47,110			55,110			16,890			(75,430		)	43,680
Income from discontinued operations, net of income taxes	—			3,430			—			—			3,430
Net income	$	47,110		$	58,540		$	16,890		$	(75,430	)	$	47,110

28

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Comprehensive Income

(dollars in thousands)

	Three Months Ended September 30, 2012
	Parent		Guarantor			Non-Guarantor		Eliminations			Consolidated Total
Net income	$	19,960	$	23,300		$	5,340	$	(28,640	)	$	19,960
Other comprehensive income:
Amortization of defined benefit plan deferred (gains) losses, net of tax	—		(820		)	80		—			(740		)
Foreign currency translation	—		—			3,040		—			3,040
Net changes in unrealized (gain) loss on derivative instruments, net of tax	—		(140		)	60		—			(80		)
Total other comprehensive loss	—		(960		)	3,180		—			2,220
Total comprehensive income	19,960		22,340			8,520		(28,640		)	22,180
Less: Net income attributable to noncontrolling interests	—		1,290			—		—			1,290
Total comprehensive income attributable to TriMas Corporation	$	19,960	$	21,050		$	8,520	$	(28,640	)	$	20,890

	Three Months Ended September 30, 2011
	Parent		Guarantor		Non-Guarantor			Eliminations			Consolidated Total
Net income	$	18,270	$	21,360	$	6,990		$	(28,350	)	$	18,270
Other comprehensive income:
Amortization of defined benefit plan deferred losses, net of tax	—		30		30			—			60
Foreign currency translation	—		—		(11,340		)	—			(11,340		)
Total other comprehensive income (loss)	—		30		(11,310		)	—			(11,280		)
Total comprehensive income	$	18,270	$	21,390	$	(4,320	)	$	(28,350	)	$	6,990

29

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Comprehensive Income

(dollars in thousands)

	Nine Months Ended September 30, 2012
	Parent		Guarantor			Non-Guarantor		Eliminations			Consolidated Total
Net income	$	49,380	$	65,180		$	15,420	$	(80,600	)	$	49,380
Other comprehensive income
Amortization of defined benefit plan deferred (gains) losses, net of tax	—		(700		)	170		—			(530		)
Foreign currency translation	—		—			2,680		—			2,680
Net changes in unrealized gain on derivative instruments, net of tax	—		(1,000		)	—		—			(1,000		)
Total other comprehensive loss	—		(1,700		)	2,850		—			1,150
Total comprehensive income	49,380		63,480			18,270		(80,600		)	50,530
Less: Net income attributable to noncontrolling interests	—		1,560			—		—			1,560
Total comprehensive income attributable to TriMas Corporation	$	49,380	$	61,920		$	18,270	$	(80,600	)	$	48,970

	Nine Months Ended September 30, 2011
	Parent		Guarantor		Non-Guarantor			Eliminations			Consolidated Total
Net income	$	47,110	$	58,540	$	16,890		$	(75,430	)	$	47,110
Other comprehensive income
Amortization of defined benefit plan deferred losses, net of tax	—		90		80			—			170
Foreign currency translation	—		—		(3,990		)	—			(3,990		)
Net changes in unrealized loss on derivative instruments, net of tax	—		230		—			—			230
Total other comprehensive income (loss)	—		320		(3,910		)	—			(3,590		)
Total comprehensive income	$	47,110	$	58,860	$	12,980		$	(75,430	)	$	43,520

30

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Cash Flows

(dollars in thousands)

	Nine Months Ended September 30, 2012
	Parent			Guarantor			Non-Guarantor			Eliminations		Consolidated Total
Cash Flows from Operating Activities:
Net cash provided by (used for) operating activities	$	(12,170	)	$	26,100		$	1,470		$	—	15,400
Cash Flows from Investing Activities:
Capital expenditures	—			(23,600		)	(12,840		)	—		(36,440		)
Acquisition of businesses, net of cash acquired	—			(62,730		)	(21,870		)	—		(84,600		)
Net proceeds from disposition of assets	—			2,790			160			—		2,950
Net cash used for investing activities	—			(83,540		)	(34,550		)	—		(118,090		)
Cash Flows from Financing Activities:
Proceeds from sale of common stock in connection with the Company's equity offering, net of issuance costs	79,040			—			—			—		79,040
Proceeds from borrowings on term loan facilities	—			—			140,370			—		140,370
Repayments of borrowings on term loan facilities	—			(6,610		)	(124,240		)	—		(130,850		)
Proceeds from borrowings on revolving credit facilities and accounts receivable facility	—			555,300			—			—		555,300
Repayments of borrowings on revolving credit facilities and accounts receivable facility	—			(555,300		)	—			—		(555,300		)
Repurchase of 9¾% senior secured notes	(50,000		)	—			—			—		(50,000		)
Senior secured notes redemption premium	(4,880		)	—			—			—		(4,880		)
Distributions to noncontrolling interests	—			(820		)	—			—		(820		)
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	(990		)	—			—			—		(990		)
Proceeds from exercise of stock options	5,680			—			—			—		5,680
Excess tax benefits from stock based compensation	—			2,310			—			—		2,310
Intercompany transfers (to) from subsidiaries	(16,680		)	34,600			(17,920		)	—		—
Net cash provided by (used for) financing activities	12,170			29,480			(1,790		)	—		39,860
Cash and Cash Equivalents:
Decrease for the period	—			(27,960		)	(34,870		)	—		(62,830		)
At beginning of period	—			33,820			55,100			—		88,920
At end of period	$	—		$	5,860		$	20,230		$	—	$	26,090

31

TRIMAS CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(unaudited)

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Cash Flows

(dollars in thousands)

	Nine Months Ended September 30, 2011
	Parent			Guarantor			Non-Guarantor			Eliminations		Consolidated Total
Cash Flows from Operating Activities:
Net cash provided by (used for) operating activities	$	(12,190	)	$	29,050		$	18,690		$	—	$	35,550
Cash Flows from Investing Activities:
Capital expenditures	—			(14,950		)	(8,570		)	—		(23,520		)
Acquisition of businesses, net of cash acquired	—			(27,200		)	(1,420		)	—		(28,620		)
Net proceeds from disposition of assets	—			2,190			50			—		2,240
Net cash used for investing activities	—			(39,960		)	(9,940		)	—		(49,900		)
Cash Flows from Financing Activities:
Proceeds from borrowings on term loan facilities	—			225,000			1,520			—		226,520
Repayments of borrowings on term loan facilities	—			(249,510		)	(660		)	—		(250,170		)
Proceeds from borrowings on revolving credit facilities and accounts receivable facility	—			551,900			—			—		551,900
Repayments of borrowings on revolving credit facilities and accounts receivable facility	—			(547,020		)	—			—		(547,020		)
Debt financing fees	—			(6,680		)	—			—		(6,680		)
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	(830		)	—			—			—		(830		)
Proceeds from exercise of stock options	960			—			—			—		960
Excess tax benefits from stock based compensation	—			3,840			—			—		3,840
Intercompany transfers (to) from subsidiaries	12,060			18,430			(30,490		)	—		—
Net cash provided by (used for) financing activities	12,190			(4,040		)	(29,630		)	—		(21,480		)
Cash and Cash Equivalents:
Decrease for the period	—			(14,950		)	(20,880		)	—		(35,830		)
At beginning of period	—			15,070			31,300			—		46,370
At end of period	$	—		$	120		$	10,420		$	—	$	10,540

32

Item 2.    Management's Discussion and Analysis of Financial Condition and Results of Operations

The following discussion and analysis of our financial condition contains forward-looking statements regarding industry outlook and our expectations regarding the performance of our business. These forward-looking statements are subject to numerous risks and uncertainties, including, but not limited to, the risks and uncertainties described under the heading "Forward-Looking Statements," at the beginning of this report. Our actual results may differ materially from those contained in or implied by any forward-looking statements. You should read the following discussion together with the Company's reports on file with the Securities and Exchange Commission, including its Annual Report on Form 10-K for the year ended December 31, 2011.

Introduction

We are a global manufacturer and distributor of products for commercial, industrial and consumer markets. We are principally engaged in six reportable segments: Packaging, Energy, Aerospace & Defense, Engineered Components, Cequent Asia Pacific and Cequent Americas.

Key Factors and Risks Affecting Our Reported Results.   Our businesses and results of operations depend upon general economic conditions and we serve some customers in cyclical industries that are highly competitive and themselves significantly impacted by changes in economic conditions. Over the past few years, global economic conditions have cycled through significant changes. The economy was in a period of recovery during 2011, which, along with significant market share gains and new product introductions, resulted in year-over-year net sales increases in all six of our reportable segments. The economic conditions have continued into 2012 in certain markets, which, together with market share gains, new product introductions and acquisitions, resulted in year-over-year net sales increases in five of our six reportable segments.

Over the past two years, we have accelerated our growth strategies via bolt-on acquisitions and geographic expansion within our existing platforms, primarily within our Packaging and Energy reportable segments. We have also proceeded with footprint consolidation projects within our Cequent reportable segments, moving forward with more efficient facilities and lower cost country production. While our growth strategies, particularly in Packaging and Energy, have helped to significantly increase our net sales levels and set the foundation for continued growth, and our Cequent footprint projects will yield more effective and efficient manufacturing capability and flexibility while also reducing costs, our earnings margins have declined as we incur costs to pursue these endeavors. For Packaging and Energy, margins have declined at the onset of the acquisitions and new branch location openings due to acquisition/setup and diligence costs, purchase accounting adjustments (inventory revaluations and higher depreciation and amortization expense), integration costs, costs to do business in new markets (primarily for new branches, where we make pricing decisions to penetrate new markets and do not yet have the volume leverage) and from acquiring companies with historically lower margins than our legacy businesses. For the Cequent businesses, duplicative costs from multiple facilities, manufacturing inefficiencies associated with the start-up of new facilities and move costs have significantly impacted margins. While these endeavors have significantly impacted margins in 2012, we believe that the margins in the Packaging and Energy businesses will moderate to historical levels over time as we integrate them into our businesses and capitalize on productivity initiatives and volume efficiencies, and Cequent margins will improve once the facilities are fully operational.

Critical factors affecting our ability to succeed include: our ability to create organic growth through product development, cross selling and extending product-line offerings, and our ability to quickly and cost-effectively introduce new products; our ability to acquire and integrate companies or products that supplement existing product lines, add new distribution channels, expand our geographic coverage or enable better absorption of overhead costs; our ability to manage our cost structure more efficiently via supply base management, internal sourcing and/or purchasing of materials, selective outsourcing and/or purchasing of support functions, working capital management, and greater leverage of our administrative functions. If we are unable to do any of the foregoing successfully, our financial condition and results of operations could be materially and adversely impacted.

There is some seasonality in the businesses within our Cequent reportable segments, primarily within Cequent Americas, where sales of towing and trailering products are generally stronger in the second and third quarters, as trailer original equipment manufacturers ("OEMs"), distributors and retailers acquire product for the spring and summer selling seasons. No other reportable segment experiences significant seasonal fluctuation. We do not consider sales order backlog to be a material factor in our business. A growing portion of our sales is derived from international sources, which exposes us to certain risks, including currency risks.

The demand for some of our products, particularly in our two Cequent reportable segments, is heavily influenced by consumer sentiment. Despite the sales increases in the past two years, we recognize that consumer sentiment and the end market conditions remain unstable, primarily for Cequent Americas, given continued uncertainties in employment levels and consumer credit availability, both of which significantly impact consumer discretionary spending.

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We are sensitive to price movements in our raw materials supply base. Our largest material purchases are for steel, copper, aluminum, polyethylene and other resins and energy. Historically, we have experienced increasing costs of steel and resin and have worked with our suppliers to manage cost pressures and disruptions in supply. We also utilize pricing programs to pass increased steel, copper, aluminum and resin costs to customers. Although we may experience delays in our ability to implement price increases, we have been generally able to recover such increased costs, except for certain circumstances, primarily within Cequent Americas during 2011, where we intentionally kept selling prices constant for certain customers despite material price increases to earn incremental sales. We may experience disruptions in supply in the future and may not be able to pass along higher costs associated with such disruptions to our customers in the form of price increases. We will continue to take actions as necessary to manage risks associated with increasing steel or other raw material costs. However, such increased costs may adversely impact our earnings.

We report shipping and handling expenses associated with our Cequent Americas reportable segment's distribution network as an element of selling, general and administrative expenses in our consolidated statement of operations. As such, gross margins for the Cequent Americas reportable segment may not be comparable to those of our other reportable segments, which primarily rely on third party distributors, for which all costs are included in cost of sales.

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Segment Information and Supplemental Analysis

The following table summarizes financial information for our six current reportable segments for the three months ended September 30, 2012 and 2011:

	Three months ended September 30,
	2012			As a Percentage of Net Sales		2011			As a Percentage of Net Sales
	(dollars in thousands)
Net Sales
Packaging	$	77,240		23.0	%	$	46,090		16.6	%
Energy	45,460			13.5	%	42,690			15.4	%
Aerospace & Defense	20,810			6.2	%	20,330			7.3	%
Engineered Components	51,880			15.4	%	46,010			16.6	%
Cequent Asia Pacific	37,480			11.2	%	26,020			9.4	%
Cequent Americas	103,000			30.7	%	96,520			34.7	%
Total	$	335,870		100.0	%	$	277,660		100.0	%
Gross Profit
Packaging	$	26,280		34.0	%	$	17,150		37.2	%
Energy	11,640			25.6	%	11,000			25.8	%
Aerospace & Defense	8,570			41.2	%	8,320			40.9	%
Engineered Components	9,200			17.7	%	10,910			23.7	%
Cequent Asia Pacific	7,310			19.5	%	7,880			30.3	%
Cequent Americas	27,140			26.3	%	26,680			27.6	%
Total	$	90,140		26.8	%	$	81,940		29.5	%
Selling, General and Administrative
Packaging	$	8,040		10.4	%	$	6,890		14.9	%
Energy	7,840			17.2	%	6,450			15.1	%
Aerospace & Defense	2,540			12.2	%	2,890			14.2	%
Engineered Components	2,890			5.6	%	3,240			7.0	%
Cequent Asia Pacific	3,390			9.0	%	2,590			10.0	%
Cequent Americas	18,710			18.2	%	17,120			17.7	%
Corporate expenses	10,140			N/A		6,990			N/A
Total	$	53,550		15.9	%	$	46,170		16.6	%
Operating Profit (Loss)
Packaging	$	18,240		23.6	%	$	10,240		22.2	%
Energy	3,780			8.3	%	4,560			10.7	%
Aerospace & Defense	6,030			29.0	%	5,420			26.7	%
Engineered Components	6,310			12.2	%	7,730			16.8	%
Cequent Asia Pacific	3,950			10.5	%	5,250			20.2	%
Cequent Americas	8,430			8.2	%	9,580			9.9	%
Corporate expenses	(10,140		)	N/A		(6,990		)	N/A
Total	$	36,600		10.9	%	$	35,790		12.9	%
Depreciation and Amortization
Packaging	$	4,650		6.0	%	$	3,450		7.5	%
Energy	1,010			2.2	%	780			1.8	%
Aerospace & Defense	640			3.1	%	730			3.6	%
Engineered Components	980			1.9	%	830			1.8	%
Cequent Asia Pacific	1,280			3.4	%	920			3.5	%
Cequent Americas	2,980			2.9	%	3,000			3.1	%
Corporate expenses	40			N/A		30			N/A
Total	$	11,580		3.4	%	$	9,740		3.5	%

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The following table summarizes financial information for our six current reportable segments for the nine months ended September 30, 2012 and 2011:

	Nine months ended September 30,
	2012			As a Percentage of Net Sales		2011			As a Percentage of Net Sales
	(dollars in thousands)
Net Sales
Packaging	$	202,250		20.8	%	$	137,890		16.7	%
Energy	143,220			14.7	%	125,810			15.3	%
Aerospace & Defense	58,000			6.0	%	60,160			7.3	%
Engineered Components	154,180			15.9	%	126,870			15.4	%
Cequent Asia Pacific	94,230			9.7	%	67,390			8.2	%
Cequent Americas	319,990			32.9	%	306,190			37.1	%
Total	$	971,870		100.0	%	$	824,310		100.0	%
Gross Profit
Packaging	$	69,970		34.6	%	$	56,340		40.9	%
Energy	37,000			25.8	%	34,140			27.1	%
Aerospace & Defense	23,640			40.8	%	22,710			37.7	%
Engineered Components	31,690			20.6	%	27,400			21.6	%
Cequent Asia Pacific	18,540			19.7	%	17,770			26.4	%
Cequent Americas	84,100			26.3	%	83,690			27.3	%
Total	$	264,940		27.3	%	$	242,050		29.4	%
Selling, General and Administrative
Packaging	$	25,270		12.5	%	$	19,170		13.9	%
Energy	22,440			15.7	%	19,230			15.3	%
Aerospace & Defense	7,930			13.7	%	8,650			14.4	%
Engineered Components	9,360			6.1	%	8,550			6.7	%
Cequent Asia Pacific	9,580			10.2	%	8,040			11.9	%
Cequent Americas	56,050			17.5	%	53,040			17.3	%
Corporate expenses	26,100			N/A		20,500			N/A
Total	$	156,730		16.1	%	$	137,180		16.6	%
Operating Profit (Loss)
Packaging	$	44,700		22.1	%	$	37,140		26.9	%
Energy	14,520			10.1	%	14,920			11.9	%
Aerospace & Defense	15,710			27.1	%	14,000			23.3	%
Engineered Components	22,620			14.7	%	19,010			15.0	%
Cequent Asia Pacific	9,000			9.6	%	9,720			14.4	%
Cequent Americas	28,090			8.8	%	30,630			10.0	%
Corporate expenses	(26,100		)	N/A		(20,500		)	N/A
Total	$	108,540		11.2	%	$	104,920		12.7	%
Depreciation and Amortization
Packaging	13,310			6.6	%	9,620			7.0	%
Energy	2,330			1.6	%	2,110			1.7	%
Aerospace & Defense	2,010			3.5	%	2,000			3.3	%
Engineered Components	2,790			1.8	%	2,630			2.1	%
Cequent Asia Pacific	2,910			3.1	%	2,780			4.1	%
Cequent Americas	9,980			3.1	%	9,020			2.9	%
Corporate expenses	120			N/A		110			N/A
Total	33,450			3.4	%	28,270			3.4	%

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Results of Operations

The principal factors impacting us during the three months ended September 30, 2012, compared with the three months ended September 30, 2011, were:

• the impact of our Innovative Molding and Arminak & Associates, LLC ("Arminak") acquisitions in our Packaging reportable segment, the CIFAL Industrial e Comercial Ltda ("CIFAL") acquisition in our Energy reportable segment, the Engetran Engenharia, Industria, e Comericio de Pecas e Accesorios Veiculares Ltda ("Engetran") acquisition in our Cequent Americas reportable segment, and the Trail Com Limited ("Trail Com") acquisition in our Cequent Asia Pacific reportable segment;

• market share gains and new product introductions in the third quarter of 2012, primarily within our Energy, Engineered Components, Cequent Asia Pacific and Cequent Americas reportable segments;

• footprint consolidation and relocation projects within our Cequent Americas and Cequent Asia Pacific reportable segments, under which we incurred approximately $3.0 million of manufacturing inefficiency, facility move and duplicate costs during the third quarter of 2012; and

• continued economic strength in certain of the markets our businesses serve in the third quarter of 2012 compared to the third quarter of 2011, contributing to increased net sales in all of our six reportable segments.

Three Months Ended September 30, 2012 Compared with Three Months Ended September 30, 2011

Overall, net sales increased approximately $58.2 million, or approximately 21.0%, to $335.9 million for the three months ended September 30, 2012, as compared with $277.7 million in the three months ended September 30, 2011. During the third quarter of 2012, net sales increased in all reportable segments. Of the sales increase, approximately $34.7 million was due to our recent acquisitions. The remainder of the increase in sales levels between years was due to continued market share gains, primarily in the Engineered Components and Cequent Asia Pacific reportable segments, our expansion in international markets, primarily in our Energy and Cequent Asia Pacific reportable segments, our new product introductions and related growth, primarily in our Engineered Components and Cequent Asia Pacific reportable segments and the impact of continued economic strength in certain of our end markets. These sales increases were partially offset by approximately $2.7 million of unfavorable currency exchange, as our reported results in U.S. dollars were negatively impacted as a result of the stronger U.S. dollar relative to foreign currencies, primarily in our Packaging and Cequent Asia Pacific reportable segments.

Gross profit margin (gross profit as a percentage of sales) approximated 26.8% and 29.5% for the three months ended September 30, 2012 and 2011, respectively. The gross profit margin in our Aerospace & Defense reportable segment improved compared to the third quarter of 2011, due to an increase in percentage of sales from higher-margin aerospace products. Gross profit margins in our other five reportable segments declined, with the largest reason being in our manufacturing facility footprint consolidation and relocation projects in our Cequent Asia Pacific and Cequent Americas reportable segments, where we incurred approximately $3.0 million during the third quarter of 2012. In addition, we also experienced a less favorable product sales mix in multiple reportable segments and charges associated with purchase accounting adjustments related to step-up in value and subsequent sale of inventory related to our recent acquisitions. Gross profit margin in our Packaging and Cequent Asia Pacific reportable segments also declined as our recent acquisitions have lower margins than the segment's historical margins. While we continue to generate significant savings from capital investments, productivity projects and lean initiatives across all of our businesses, particularly in our Packaging reportable segment, the savings from those projects has primarily been offset by economic cost increases and our investment in growth initiatives, as our gross profit margins, particularly in our Energy reportable segment, are lower when we open facilities in new geographies and aggressively price these products to gain market penetration plus do not gain the operating leverage on our fixed costs until projected sales volumes are achieved in the future.

Operating profit margin (operating profit as a percentage of sales) approximated 10.9% and 12.9% for the three months ended September 30, 2012 and 2011, respectively. Operating profit increased approximately $0.8 million, or 2.3%, to $36.6 million for the three months ended September 30, 2012, from $35.8 million for the three months ended September 30, 2011, primarily due to higher sales levels. The operating profit increase was partially offset by approximately $2.6 million of purchase accounting related adjustments and incremental intangible asset amortization costs resulting from our recent acquisitions in the Packaging, Energy, Cequent Asia Pacific and Cequent Americas reportable segments. In addition, operating profit margins decreased due to a less favorable product mix in multiple reportable segments, higher costs associated with our global growth initiatives in our Energy reportable segment and due to costs incurred associated with our manufacturing facility footprint consolidation and relocation projects in our Cequent Asia Pacific and Cequent Americas reportable segments.

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Interest expense decreased approximately $1.3 million, to $9.5 million, for the three months ended September 30, 2012, as compared to $10.7 million for the three months ended September 30, 2011. The decrease in interest expense was primarily the result of a decrease in our effective weighted average interest rate on variable rate U.S. borrowings, including our accounts receivable facility, to approximately 3.8% for the three months ended September 30, 2012, from 4.0% for the three months ended September 30, 2011. In addition, interest expense declined due to a decrease in our weighted-average U.S. variable rate borrowings to approximately $284.7 million in the three months ended September 30, 2012, from approximately $300.6 million in the three months ended September 30, 2011.

Other income (expense), net increased approximately $0.4 million, to $0.1 million for the three months ended September 30, 2012, compared to $0.5 million for the three months ended September 30, 2011. This increase related primarily to lower gains on transactions denominated in foreign currencies in the three months ended September 30, 2012 compared to the three months ended September 30, 2011.

The effective income tax rates for the three months ended September 30, 2012 and 2011 were 26.9% and 33.7%, respectively. The reduction in the rate was primarily driven by an overall lower foreign effective tax rate coupled with a higher percentage of foreign versus domestic taxable income in the three months ended September 30, 2012 as compared to the three months ended September 30, 2011.

Net income from continuing operations increased by approximately $3.0 million, to $20.0 million for the three months ended September 30, 2012, compared to $17.0 million for the three months ended September 30, 2011. The increase was primarily the result of a $1.3 million reduction in interest expense, plus the $0.8 million increase in operating profit, plus a $1.3 million reduction in income tax expense, less the $0.4 million increase in other expense, net.

Net income attributable to noncontrolling interest was $1.3 million for the three months ended September 30, 2012, as a result of our 70% acquisition in Arminak in February 2012, which represents the 30% interest not attributed to TriMas Corporation.

See below for a discussion of operating results by segment.

Packaging.    Net sales increased approximately $31.2 million, or 67.6%, to $77.2 million in the three months ended September 30, 2012, as compared to $46.1 million in the three months ended September 30, 2011. Of this increase, approximately $23.6 million and $4.8 million were a result of our acquisitions of Arminak in February 2012 and Innovative Molding in August 2011, respectively. Sales of our specialty systems products increased by approximately $3.3 million, primarily due to increased demand from our North American dispensing customers. In addition, sales of our industrial closures, rings and levers increased approximately $0.8 million, as an increase in North American sales more than offset a decline in European sales. These increases in sales were partially offset by a decrease of approximately $1.3 million due to unfavorable currency exchange, as our reported results in U.S. dollars were negatively impacted as a result of the stronger U.S. dollar relative to foreign currencies.

Packaging's gross profit increased approximately $9.1 million to $26.3 million, or 34.0% of sales, in the three months ended September 30, 2012, as compared to $17.2 million, or 37.2% of sales, in the three months ended September 30, 2011, primarily due to the higher sales levels as a result of our acquisitions of Arminak and Innovative Molding. Also contributing to the increase were approximately $1.3 million in purchase accounting adjustments related to our Innovative Molding acquisition for the step-up in value of acquired inventory and costs incurred to move to a new facility, which adversely impacted gross margin in the third quarter of 2011 and did not recur in the third quarter of 2012. However, gross profit margin declined as a result of a less favorable product sales mix due to lower sales of higher-margin European industrial products and increased sales levels from historically lower margin Arminak and Innovative Molding products, intangible asset amortization costs associated with our acquisitions of Arminak and Innovative Molding and increased international freight costs, which were partially offset by savings from ongoing productivity and automation initiatives. Gross profit also decreased by approximately $0.5 million due to unfavorable currency exchange.

Packaging's selling, general and administrative expenses increased approximately $1.2 million to $8.0 million, or 10.4% of sales, in the three months ended September 30, 2012, as compared to $6.9 million, or 14.9% of sales, in the three months ended September 30, 2011. The increase primarily resulted from ongoing selling, general and administrative expenses from the acquired companies, with the most significant item being approximately $0.9 million of incremental intangible asset amortization costs. The increase was partially offset by the recognition of a previously deferred gain of $1.5 million during the three months ended September 30, 2012, associated with the segment's postretirement benefit plan, as a result of not having any remaining eligible participants. However, selling, general and administrative expenses decreased as a percentage of sales primarily due to the operating leverage gained on the higher sales levels.

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Packaging's operating profit increased approximately $8.0 million to $18.2 million, or 23.6% of sales, in the three months ended September 30, 2012, as compared to $10.2 million, or 22.2% of sales, in three months ended September 30, 2011. Operating profit increased primarily due to our higher sales levels as a result of our acquisitions of Arminak and Innovative Molding, with operating profit margins also increasing as the recognition of the previously deferred gain relating to the post-retirement benefit plan during the third quarter of 2012 and our ongoing productivity and automation savings more than offset the less favorable product sales mix, increase in amortization of intangible asset costs related to the acquired companies and higher selling, general and administrative costs.

Energy.    Net sales for the three months ended September 30, 2012increased approximately $2.8 million, or 6.5%, to $45.5 million, as compared to $42.7 million in the three months ended September 30, 2011. Of this increase, approximately $1.3 million was due to the acquisition of CIFAL in July 2012, $2.3 million was due to continued market share gains within our highly-engineered bolt product line and $1.1 million resulted from sales generated by our new Grimsby, UK; Midland, Michigan; Minneapolis, Minnesota; Tarragona, Spain; and Singapore branch facilities. These increases were partially offset by deferrals of customer turnaround activity at refineries and petrochemical plants. In addition, sales decreased by approximately $0.5 million due to unfavorable currency exchange, as our reported results in U.S. dollars were negatively impacted as a result of the stronger U.S. dollar relative to foreign currencies.

Gross profit within Energy increased approximately $0.6 million to $11.6 million, or 25.6% of sales, in the three months ended September 30, 2012, as compared to $11.0 million, or 25.8% of sales, in the three months ended September 30, 2011, primarily due to higher sales levels and productivity initiatives. However, gross profit margin remained approximately flat due to the step-up in value and subsequent sale of inventory in connection with our CIFAL acquisition and due to a less favorable product sales mix, as a higher percentage of sales were generated from our new branches, which have lower margins due to aggressively pricing products to penetrate new markets.

Selling, general and administrative expenses within Energy increased approximately $1.4 million to $7.8 million, or 17.2% of sales, in the three months ended September 30, 2012, as compared to $6.5 million, or 15.1% of sales, in the three months ended September 30, 2011. We incurred approximately $0.8 million in incremental costs related to our acquisition of CIFAL for normal operating selling, general and administrative costs and combined legal, finance and other diligence costs. The remainder of the increase is primarily due to higher employee costs and professional fees in support of our growth initiatives.

Overall, operating profit within Energy decreased approximately $0.8 million to $3.8 million, or 8.3% of sales, in the three months ended September 30, 2012, as compared to $4.6 million, or 10.7% of sales, in the three months ended September 30, 2011, due to the aforementioned purchase accounting adjustments and acquisition costs. The operating profit decline was also attributable to the continued increase in sales in our new branches, which typically have lower margins as they penetrate new markets and higher selling, general and administrative expenses in support of our growth initiatives.

Aerospace & Defense.    Net sales for the three months ended September 30, 2012increased approximately $0.5 million, or 2.4%, to $20.8 million, as compared to $20.3 million in the three months ended September 30, 2011. Sales in our aerospace business increased approximately $2.4 million, primarily due to higher sales levels in our blind bolt and temporary fastener product lines as a result of increased demand from our distribution customers in response to new programs and increased activity with airplane frame manufacturers, as well as the recent introduction of new products and sales growth in China. This increase was partially offset by a decrease in sales in our defense business of approximately $1.9 million, primarily associated with managing the relocation to and establishment of the new defense facility, which is now in the final stages of completion.

Gross profit within Aerospace & Defense increased approximately $0.3 million to $8.6 million, or 41.2% of sales, in the three months ended September 30, 2012, from $8.3 million, or 40.9% of sales, in the three months ended September 30, 2011, primarily due to higher aerospace fastener sales, with margin improvement resulting from an increase in percentage of sales from higher-margin aerospace products, which was partially offset by labor inefficiencies and costs during the third quarter of 2012 associated with the start-up of a new facility to manufacture aerospace collars in Tempe, Arizona.

Selling, general and administrative expenses decreased approximately $0.4 million to $2.5 million, or 12.2% of sales, in the three months ended September 30, 2012, as compared to $2.9 million, or 14.2% of sales, in the three months ended September 30, 2011, as this segment was able to reduce its selling, general and administrative expenses both in dollars spent and as a percentage of sales due to additional leverage gained on the higher sales levels in our aerospace business, decreased sales commissions, as a lower percentage of our sales in the three months ended September 30, 2012 were subject to third-party commission arrangements in the three months ended September 30, 2011 and a general decrease in spending in our defense business due to the winding-down of the relocation contract.

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Operating profit within Aerospace & Defense increased approximately $0.6 million to $6.0 million, or 29.0% of sales, in the three months ended September 30, 2012, as compared to $5.4 million, or 26.7% of sales, in the three months ended September 30, 2011 , primarily as a result of increase in sales levels in our aerospace business, a more favorable sales mix resulting from a higher percentage of segment revenue being generated from higher-margin aerospace products and lower selling, general and administrative expenses, which more than offset the inefficiencies and costs associated with our new Tempe facility.

Engineered Components.    Net sales for the three months ended September 30, 2012increased approximately $5.9 million, or 12.8%, to $51.9 million, as compared to $46.0 million in the three months ended September 30, 2011. Sales of slow speed and compressor engines and related products increased by approximately $4.8 million, as sales of engines and engine parts increased by approximately $4.3 million due to increased oil drilling activity. Sales of gas compression products and processing and meter run equipment increased by approximately $0.5 million, as we continue to introduce new products to add to our well-site content. Sales in our industrial cylinder business increased by approximately $1.1 million, primarily due to continued market share gains, which we believe were partially aided by recent competitive balance in the high pressure cylinder market following the International Trade Commission's ("ITC's") May 2012 imposition of antidumping and countervailing duties on imported high pressure cylinders.

Gross profit within Engineered Components decreased approximately $1.7 million to $9.2 million, or 17.7% of sales, in the three months ended September 30, 2012, from $10.9 million, or 23.7% of sales, in the three months ended September 30, 2011, primarily as a result of a less favorable product sales mix within our engine business toward lower margin engines and related parts, and due to less favorable absorption of fixed costs within our engine business as they reduced production and purchasing levels.

Selling, general and administrative expenses decreased approximately $0.4 million to $2.9 million, or 5.6% of sales, in the three months ended September 30, 2012, as compared to $3.2 million, or 7.0% of sales, in the three months ended September 30, 2011, primarily as a result of decreased legal fees in our industrial cylinder business due to the resolution of the antidumping case. In addition, selling, general and administrative expenses were lower year-over-year as a percentage of sales due to the operating leverage gained on higher sales levels.

Operating profit within Engineered Components decreased approximately $1.4 million to $6.3 million, or 12.2% of sales, in the three months ended September 30, 2012, as compared to operating profit of $7.7 million, or 16.8% of sales, in the three months ended September 30, 2011, primarily due to a less favorable product sales mix and less favorable fixed cost absorption in our engine business, which was partially offset by lower selling, general and administrative expenses due to the decrease in legal fees.

Cequent Asia Pacific.    Net sales increased approximately $11.5 million, or 44.0%, to $37.5 million in the three months ended September 30, 2012, as compared to $26.0 million in the three months ended September 30, 2011. Approximately $5.9 million of the sales increase was due to new business awards in Thailand, $3.3 million was due to the July 2012 acquisition of Trail Com with operations in Australia and New Zealand, and $1.0 million was due to the BTM acquisition in South Africa, which was completed during the fourth quarter of 2011. In addition, the economy in this region began to stabilize during the second half of 2011 following the late 2010 / early 2011 flooding in Queensland, Australia and the tsunami in Japan, both of which negatively impacted sales levels throughout the first nine months of 2011. The third quarter of 2012 has also been aided by improved consumer spending and increased vehicle availability. Partially offsetting these increases was the negative impact of currency exchange of approximately $0.7 million, as our reported results in U.S. dollars were negatively impacted as a result of the stronger U.S. dollar relative to foreign currencies.

Cequent Asia Pacific's gross profit decreased approximately $0.6 million to $7.3 million, or 19.5% of sales, in the three months ended September 30, 2012, from approximately $7.9 million, or 30.3% of sales, in the three months ended September 30, 2011. Despite the increase in net sales, gross profit dollars and margins declined as a result of approximately $0.7 million of purchase accounting-related adjustments related to the step up in value and subsequent sale of inventory in connection with our Trail Com Acquisition, $0.7 million related to a recovery of tooling costs in the third quarter of 2011 that did not recur in the third quarter of 2012 and $1.6 million of incremental costs associated with the consolidation into the new manufacturing facility, including duplicate rent until the former facility is subleased, move costs for the remaining machines to be relocated to the new facility and production inefficiencies due to the new facility not yet operating at an effective capacity coupled with very high demand levels given the improved consumer spending. In addition, gross profit margin declined due to the two acquired businesses having historically lower margin levels than the legacy Cequent Australia business.

Selling, general and administrative expenses increased approximately $0.8 million to $3.4 million, or 9.0% of sales, in the three months ended September 30, 2012, as compared to $2.6 million, or 10.0% of sales, in the three months ended September 30, 2011, primarily in support of our growth initiatives, including the normal operating selling, general and administrative costs related to BTM and Trail Com. However, selling, general and administrative expenses declined by 100 basis points year-over-year as a percentage of sales due to the operating leverage gained on the higher sales levels.

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Cequent Asia Pacific's operating profit decreased approximately $1.3 million to approximately $4.0 million, or 10.5% of sales, in the three months ended September 30, 2012 as compared to $5.3 million, or 20.2% of net sales, in the three months ended September 30, 2011, primarily as the profit earned on the higher sales levels was more than offset by purchase accounting-related adjustments, tooling cost recovery in the third quarter of 2011 that did not recur in the third quarter of 2012, and manufacturing inefficiencies associated with the new facility and wind-down of the two former manufacturing facilities.

Cequent Americas.    Net sales increased approximately $6.5 million, or 6.7%, to $103.0 million in the three months ended September 30, 2012, as compared to $96.5 million in the three months ended September 30, 2011, primarily due to year-over-year increases within our auto original equipment ("OE") and retail channels and the July 2012 acquisition of Engetran. Of this increase, approximately $3.3 million was a result of higher sales levels within our auto OE channel, as we increased sales levels on both brake control and core hitches to our original equipment customers. Sales within our retail channel increased by approximately $2.8 million in the third quarter of 2012 compared to the third quarter of 2011, primarily due to sales related to our new broom and brush product line. In addition, Engetran added sales of approximately $0.7 million during the third quarter of 2012. Our other market channels remained relatively flat year-over-year.

Cequent Americas' gross profit increased approximately $0.5 million to $27.1 million, or 26.3% of sales, in the three months ended September 30, 2012, from approximately $26.7 million, or 27.6% of sales, in the three months ended September 30, 2011. While gross profit increased year-over-year due to the sales increase, gross profit margin decreased primarily due to approximately $1.4 million in costs incurred during the third quarter of 2012 related to the expansion of our manufacturing capacity and footprint in our lower cost country facilities and subsequent move of certain OE production thereto. In addition, we experienced a less favorable product sales mix, with a higher percentage of sales in the auto OE channel, the retail new broom and brush line and from the Engetran acquisition than the higher margin aftermarket channel in the third quarter of 2012 compared to the third quarter of 2011.

Selling, general and administrative expenses increased approximately $1.6 million to $18.7 million, or 18.2% of sales, in the three months ended September 30, 2012, as compared to $17.1 million, or 17.7% of sales, in the three months ended September 30, 2011, primarily as a result of the timing of sales promotions and advertising, higher employee costs in support of our growth initiatives and incremental travel, legal, finance and other diligence costs associated with consummating our acquisition in Brazil,.

Cequent Americas' operating profit decreased approximately $1.2 million to $8.4 million, or 8.2% of sales, in the three months ended September 30, 2012 as compared to $9.6 million, or 9.9% of net sales, in the three months ended September 30, 2011, as the increases in operating profit associated with the higher sales levels were more than offset by the increase in selling, general and administrative expenses in support of our growth initiatives, costs incurred related to the footprint and lower cost country project and a less favorable product sales mix in the three months ended September 30, 2012.

Corporate Expenses.    Corporate expenses consist of the following:

	Three months ended September 30,
	2012		2011
	(in millions)
Corporate operating expenses	$	4.1	$	3.3
Employee costs and related benefits	6.0		3.7
Corporate expenses	$	10.1	$	7.0

Corporate expenses increased approximately $3.1 million to $10.1 million for the three months ended September 30, 2012, from $7.0 million for the three months ended September 30, 2011. The increase between years is primarily attributed to an increase in third party professional fees, primarily supporting our international growth efforts, and higher employee costs and related benefits associated with long-term incentive programs in the third quarter of 2012 as compared to the third quarter of 2011.

Discontinued Operations.    The results of discontinued operations consists of our precision tool cutting and specialty fitting lines of business, which were sold in December 2011. There were no businesses classified as discontinued operations for the three months ended September 30, 2012. During the three months ended September 30, 2011 income from discontinued operations, net of income taxes was $1.3 million. See Note 3, "Discontinued Operations and Assets Held for Sale," to our consolidated financial statements included in Part I, Item 1 of this quarterly report on Form 10-Q.

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Nine Months Ended September 30, 2012 Compared with Nine Months Ended September 30, 2011

Overall, net sales increased approximately $147.6 million, or approximately 17.9%, to $971.9 million for the nine months ended September 30, 2012, as compared with $824.3 million in the nine months ended September 30, 2011. During the first nine months of 2012, net sales increased in all of our reportable segments except the Aerospace & Defense reportable segment. Of the sales increase, approximately $77.3 million was due to our recent acquisitions. The remainder of the increase in sales levels between years was due to continued market share gains, primarily in the Energy and Engineered Components reportable segments, our expansion in international markets, primarily in our Energy and Cequent Asia Pacific reportable segments, our new product introductions and related growth, primarily in our Engineered Components and Cequent Asia Pacific reportable segments and the impact of continued economic strength in certain of our end markets.

Gross profit margin (gross profit as a percentage of sales) approximated 27.3% and 29.4% for the nine months ended September 30, 2012 and 2011, respectively. The gross profit margin in our Aerospace & Defense reportable segment improved by 310 basis points compared to the first nine months of 2011, due primarily to operating leverage on higher aerospace fastener sales levels and a more favorable product sales mix resulting from an increase in percentage of sales from higher-margin aerospace products. However, overall gross profit margins declined, as our historically lower gross profit margin reportable segments comprised a greater percentage of total Company sales in the first nine months of 2012 than in the first nine months of 2011. In addition, several segments reported a less favorable product sales mix within the reportable segment. Although our recent acquisitions of CIFAL, Trail Com and Engetran generated approximately $5.3 million of sales in 2012, they yielded negative gross profit of approximately $0.2 million due to purchase accounting adjustments related to step-up in value and subsequent sale of inventory and other costs associated with their transition to TriMas ownership. Also, our first nine months 2012 gross profit margin was negatively impacted by approximately $7.4 million of costs incurred related to our manufacturing facility footprint consolidation and relocation projects in our Cequent Asia Pacific and Cequent Americas reportable segments. While we continue to generate significant savings from capital investments, productivity projects and lean initiatives, particularly in our Packaging reportable segment, the savings from those projects has primarily been offset by economic cost increases and our investment in growth initiatives, as our gross profit margins, particularly in our Energy reportable segment, are lower when we open facilities in new geographies and aggressively price these products to gain market penetration plus do not gain the operating leverage on our fixed costs until projected sales volumes are achieved in the future.

Operating profit margin (operating profit as a percentage of sales) approximated 11.2% and 12.7% for the nine months ended September 30, 2012 and 2011, respectively. Operating profit increased approximately $3.6 million, or 3.5%, to $108.5 million for the nine months ended September 30, 2012, from $104.9 million for the nine months ended September 30, 2011, primarily as a result of the higher sales levels. Our operating margins declined resulting from our recent acquisitions in the Packaging, Energy, Cequent Asia Pacific and Cequent Americas reportable segments, a less favorable product mix in multiple reportable segments, higher costs associated with our global growth initiatives in our Energy reportable segment, costs incurred associated with our manufacturing facility footprint consolidation and relocation projects in our Cequent Asia Pacific and Cequent Americas reportable segments and increased selling, general and administrative expenses related to acquisitions and to support our sales growth initiatives.

Interest expense decreased approximately $4.0 million, to $30.4 million, for the nine months ended September 30, 2012, as compared to $34.4 million for the nine months ended September 30, 2011. The decrease in interest expense was primarily the result of a decrease in our effective weighted average interest rate on variable rate U.S. borrowings, including our accounts receivable facility, to approximately 3.9% for the nine months ended September 30, 2012, from 4.8% for the nine months ended September 30, 2011. In addition, interest expense declined due to a decrease in our weighted-average U.S. borrowings to approximately $275.5 million in the nine months ended September 30, 2012, from approximately $296.5 million in the nine months ended September 30, 2011.

Debt extinguishment costs of approximately $6.6 million were incurred related to the partial redemption of our senior secured notes in the nine months ended September 30, 2012. During the first nine months of 2011, approximately $4.0 million was incurred related to the refinance of our U.S. credit agreement.

Other income (expense), net increased approximately $1.2 million, to $2.4 million for the nine months ended September 30, 2012, compared to $1.2 million for the nine months ended September 30, 2011. This increase relates primarily to incremental losses on transactions denominated in foreign currencies in the first nine months of 2012 compared to the first nine months of 2011.

The effective income tax rates for the nine months ended September 30, 2012 and 2011 were 28.6% and 33.2%, respectively. During the nine months ended September 30, 2012 and 2011, we recorded net tax benefits primarily related to the change of uncertain tax position reserves for which the statute of limitations expired of approximately $1.2 million and $1.0 million, respectively. We also benefited from an overall lower foreign effective tax rate and a higher percentage of foreign versus domestic taxable income in the nine months ended September 30, 2012 as compared to the nine months ended September 30, 2011.

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Net income from continuing operations increased by approximately $5.7 million, to $49.4 million for the nine months ended September 30, 2012, compared to $43.7 million for the nine months ended September 30, 2011. The increase was primarily a result of the $3.6 million increase in operating profit, plus the $4.0 million reduction in interest expense, plus the $1.9 million decrease in income tax expense, less the $2.6 million increase in debt extinguishment costs, less the $1.2 million increase in other expense.

Net income attributable to noncontrolling interest was $1.6 million for the nine months ended September 30, 2012, as a result of our 70% acquisition in Arminak in February 2012, which represents the 30% interest not attributed to TriMas Corporation.

See below for a discussion of operating results by segment.

Packaging.    Net sales increased approximately $64.4 million, or 46.7%, to $202.3 million in the nine months ended September 30, 2012, as compared to $137.9 million in the nine months ended September 30, 2011. Our acquisitions of Arminak in February 2012 and Innovative Molding in August 2011 contributed sales of approximately $45.0 million and $24.0 million, respectively. Sales of our specialty systems products increased by approximately $4.1 million, as an increase in North American sales more than offset a decline in European sales. These increases in sales were partially offset by a decrease in sales of our industrial closures, rings and levers of approximately $5.3 million, primarily due to continued weak demand throughout Europe and lower demand in North America during the first half of 2012 as customers reduced inventories in response to uncertain economic conditions. In addition, sales decreased by approximately $3.4 million due to unfavorable currency exchange, as our reported results in U.S. dollars were negatively impacted as a result of the stronger U.S. dollar relative to foreign currencies.

Packaging's gross profit increased approximately $13.6 million to $70.0 million, or 34.6% of sales, in the nine months ended September 30, 2012, as compared to $56.3 million, or 40.9% of sales, in the nine months ended September 30, 2011. Gross profit increased primarily due to the higher sales levels as a result of our acquisitions of Arminak and Innovative Molding. Also contributing to the increase were approximately $1.3 million in purchase accounting adjustments related to our Innovative Molding acquisition for the step-up in value of acquired inventory and costs incurred to move to a new facility, which adversely impacted gross margin in the nine months ended September 30, 2011 and did not recur in nine months ended September 30, 2012. However, gross profit margin declined, as we incurred approximately $2.0 million of purchase accounting-related adjustments during the nine months ended September 30, 2012 related to step-up in value and subsequent amortization of inventory and intangible assets in connection with our Arminak acquisition. Gross profit margin further declined due to a less favorable product sales mix, as Arminak and Innovative Molding both yield lower gross margins than the legacy Packaging business, and as a result of approximately $1.3 million of unfavorable currency exchange. While this segment continues to generate savings from its productivity and automation initiatives, the savings from these projects was more than offset by further reductions in gross profit resulting from lower fixed cost absorption due to reduced industrial product sales and increased international freight costs.

Packaging's selling, general and administrative expenses increased approximately $6.1 million to $25.3 million, or 12.5% of sales, in the nine months ended September 30, 2012, as compared to $19.2 million, or 13.9% of sales, in the nine months ended September 30, 2011. This segment incurred approximately $1.0 million in combined travel, legal, finance and other diligence costs associated with consummating the acquisition of Arminak and approximately $2.4 million of intangible asset amortization costs for both Arminak and Innovative Molding. The remainder of the year-over-year increase is primarily related to operating selling, general and administrative expenses in the two acquired companies, partially offset by the recognition of a previously deferred gain of $1.5 million associated with the segment's postretirement benefit plan, as a result of not having any remaining eligible participants. Selling, general and administrative expenses decreased as a percentage of sales due to both the postretirement gain and the operating leverage gained on the higher sales levels.

Packaging's operating profit increased approximately $7.6 million to $44.7 million, or 22.1% of sales, in the nine months ended September 30, 2012, as compared to $37.1 million, or 26.9% of sales, in the nine months ended September 30, 2011. Operating profit increased primarily due to our higher sales levels as a result of our acquisitions, and the recognition of the previously deferred gain relating to the post-retirement benefit plan during the third quarter of 2012, which were partially offset by the addition of operating selling, general and administrative costs related to our recent acquisitions. Operating profit margin declined primarily due to the aforementioned purchase accounting adjustments and acquisition costs and a less favorable product sales mix, primarily resulting from the mix shift of more sales generated by the acquired companies, which had lower historical margins that the Rieke business.

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Energy.    Net sales for the nine months ended September 30, 2012increased approximately $17.4 million, or 13.8%, to $143.2 million, as compared to $125.8 million in the nine months ended September 30, 2011. Of this increase, approximately $1.3 million was due to the acquisition of CIFAL in July 2012, $7.1 million was due to continued market share gains within our highly-engineered bolt product line and $2.8 million resulted from sales generated by our new Grimsby, UK; Midland, Michigan; Minneapolis, Minnesota; Tarragona, Spain; and Singapore branch facilities. The remaining $7.1 million was primarily due to increased levels of turnaround activity at refineries and petrochemical plants and increased activity with upstream/midstream customers. These increases were partially offset by approximately $0.9 million due to unfavorable currency exchange, as our reported results in U.S. dollars were negatively impacted as a result of the stronger U.S. dollar relative to foreign currencies.

Gross profit within Energy increased approximately $2.9 million to $37.0 million, or 25.8% of sales, in the nine months ended September 30, 2012, as compared to $34.1 million, or 27.1% of sales, in the nine months ended September 30, 2011. Gross profit increased approximately $4.7 million as a result of the higher sales levels. However, gross profit margins declined year-over-year due to our CIFAL acquisition, a less favorable product sales mix and a higher percentage of sales generated by our new branches, which have lower margins due to aggressively pricing products to penetrate new markets in addition to incurring launch costs, including employee training of manufacturing processes.

Selling, general and administrative expenses within Energy increased approximately $3.2 million to $22.4 million, or 15.7% of sales, in the nine months ended September 30, 2012, as compared to $19.2 million, or 15.3% of sales, in the nine months ended September 30, 2011. We incurred approximately $0.9 million in incremental costs related to our acquisition of CIFAL for normal operating selling, general and administrative costs and combined legal, finance and other diligence costs. The remainder of the increase is primarily due to higher employee costs and professional fees in support of our growth initiatives.

Overall, operating profit within Energy decreased approximately $0.4 million to $14.5 million, or 10.1% of sales, in the nine months ended September 30, 2012, as compared to $14.9 million, or 11.9% of sales, in the nine months ended September 30, 2011, due to the aforementioned purchase accounting adjustments and acquisition costs. The operating profit decline was also attributable to continued increase in sales in our new branches, which typically have lower margins as they penetrate new markets and higher selling, general and administrative expenses in support of our growth initiatives.

Aerospace & Defense.    Net sales for the nine months ended September 30, 2012decreased approximately $2.2 million, or 3.6%, to $58.0 million, as compared to $60.2 million in the nine months ended September 30, 2011. Sales in our aerospace business increased approximately $6.5 million, primarily due to higher sales levels in our blind bolt and temporary fastener product lines as a result of increased demand from our distribution customers in response to new programs and increased activity with airplane frame manufacturers. The increase in sales in our aerospace business was more than offset by a decrease in sales in our defense business of approximately $8.6 million, primarily associated with managing the relocation to and establishment of the new defense facility, which is now in the final stages of completion.

Gross profit within Aerospace & Defense increased approximately $0.9 million to $23.6 million, or 40.8% of sales, in the nine months ended September 30, 2012, from $22.7 million, or 37.7% of sales, in the nine months ended September 30, 2011, primarily as a result of increased sales levels in our aerospace business. Gross profit margin also increased primarily due to a more favorable sales mix resulting from an increase in percentage of sales from higher-margin aerospace products.

Selling, general and administrative expenses decreased approximately $0.7 million to $7.9 million, or 13.7% of sales, in the nine months ended September 30, 2012, as compared to $8.7 million, or 14.4% of sales, in the nine months ended September 30, 2011, primarily due to decreased sales commissions, as a lower percentage of our sales in the nine months ended September 30, 2012 were subject to third-party commission arrangements than in the nine months ended September 30, 2011, as well as lower wage, benefit and insurance costs incurred by our defense business as the defense facility relocation winds-down.

Operating profit within Aerospace & Defense increased approximately $1.7 million to $15.7 million, or 27.1% of sales, in the nine months ended September 30, 2012, as compared to $14.0 million, or 23.3% of sales, in the nine months ended September 30, 2011, primarily due to the increase in sales levels in our aerospace business, a more favorable sales mix resulting from a higher percentage of segment revenue being generated from higher-margin aerospace products and lower selling, general and administrative expenses.

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Engineered Components.    Net sales for the nine months ended September 30, 2012increased approximately $27.3 million, or 21.5%, to $154.2 million, as compared to $126.9 million in the nine months ended September 30, 2011. Sales of slow speed and compressor engines and related products increased by approximately $18.5 million, as sales of engines and engine parts increased by approximately $15.0 million due to increased oil drilling activity. Sales of gas compression products and processing and meter run equipment increased by approximately $3.5 million, as we continue to introduce new products to add to our well-site content. Sales in our industrial cylinder business increased by approximately $8.8 million primarily due to market share gains, which we believe were partially aided by recent competitive balance in the high pressure cylinder market following the ITC's May 2012 imposition of antidumping and countervailing duties on imported high pressure cylinders.

Gross profit within Engineered Components increased approximately $4.3 million to $31.7 million, or 20.6% of sales, in the nine months ended September 30, 2012, from $27.4 million, or 21.6% of sales, in the nine months ended September 30, 2011, primarily due to the higher sales levels. However, gross profit margins were down slightly due to the less favorable product sales mix in our engine business, with more sales of lower margin engines and less of higher margin engines and related parts in the nine months ended September 30, 2012 as compared to the nine months ended September 30, 2011, and due to lower fixed cost absorption due to lower production and purchasing levels, primarily in the third quarter of 2012.

Selling, general and administrative expenses increased approximately $0.8 million to $9.4 million, or 6.1% of sales, in the nine months ended September 30, 2012, as compared to $8.6 million, or 6.7% of sales, in the nine months ended September 30, 2011, primarily as a result of increased selling costs incurred in support of our sales growth projects. Selling, general and administrative expenses were lower year-over-year as a percentage of sales due to the operating leverage gained on higher sales levels.

Operating profit within Engineered Components increased approximately $3.6 million to $22.6 million, or 14.7% of sales, in the nine months ended September 30, 2012, as compared to operating profit of $19.0 million, or 15.0% of sales, in the nine months ended September 30, 2011, primarily due to the higher sales levels between years, which were partially offset by a less favorable product mix, lower absorption of fixed costs and higher selling, general and administrative expenses in support of our sales growth initiatives.

Cequent Asia Pacific.    Net sales increased approximately $26.8 million, or 39.8%, to $94.2 million in the nine months ended September 30, 2012, as compared to $67.4 million in the nine months ended September 30, 2011. Approximately $15.3 million of the increase was due to new business awards in Thailand, $3.3 million was due to the acquisition of Trail Com in July 2012, with operations in Australia and New Zealand, and $3.0 million was due to the BTM acquisition in South Africa, completed during the fourth quarter of 2011. The economy in this region began to stabilize during the second half of 2011 following the late 2010 / early 2011 flooding in Queensland, Australia and the tsunami in Japan, both of which negatively impacted sales levels throughout the first nine months of 2011. The first nine months of 2012 has also been aided by improved consumer spending and increased vehicle availability. Partially offsetting these increases was the negative impact of approximately $1.3 million of currency exchange, as our reported results in U.S. dollars were negatively impacted as a result of the stronger U.S. dollar relative to foreign currencies.

Cequent Asia Pacific's gross profit increased approximately $0.8 million to $18.5 million, or 19.7% of sales, in the nine months ended September 30, 2012, from approximately $17.8 million, or 26.4% of sales, in the nine months ended September 30, 2011. Gross profit margins declined due to approximately $3.8 million of manufacturing inefficiencies and duplicate costs incurred directly related to the consolidation of two existing manufacturing facilities into one new manufacturing facility in Australia, for which the new facility opened in June 2012, and $0.7 million due to purchase accounting-related adjustments related to the step up in value and subsequent sale of inventory in connection with our Trail Com acquisition. In addition, gross profit margins decreased due to a less favorable product sales mix, primarily resulting from the acquired companies having historically lower gross margins than the legacy Cequent Australia business.

Selling, general and administrative expenses increased approximately $1.5 million to $9.6 million, or 10.2% of sales, in the nine months ended September 30, 2012, as compared to $8.0 million, or 11.9% of sales, in the nine months ended September 30, 2011, primarily in support of our growth initiatives as well as normal selling and administrative expenses from our newly acquired BTM and Trail Com businesses. However, selling, general and administrative expenses declined by 170 basis points year-over-year as a percentage of sales due to the operating leverage gained on the higher sales levels.

Cequent Asia Pacific's operating profit decreased approximately $0.7 million to approximately $9.0 million, or 9.6% of sales, in the nine months ended September 30, 2012 as compared to $9.7 million, or 14.4% of net sales, in the nine months ended September 30, 2011, as the profit earned on the higher sales levels was more than offset by the manufacturing inefficiencies and costs incurred related to the move to a new manufacturing facility, a less favorable product sales mix resulting from the acquisitions, costs related to the step-up and sale of inventory in the Trail Com acquisition and higher selling, general and administrative expenses in support of our sales growth initiatives.

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Cequent Americas.    Net sales increased approximately $13.8 million, or 4.5%, to $320.0 million in the nine months ended September 30, 2012, as compared to $306.2 million in the nine months ended September 30, 2011, primarily due to a year-over-year increase within our auto OE, industrial, aftermarket and retail channels. Of this increase, $6.5 million relates to sales within our auto OE channel, as we increased sales levels on both brake control and core hitches to our original equipment customers. Sales within our industrial channel increased by $2.5 million, primarily in the industrial OE market, and sales within our aftermarket channel increased $2.1 million, predominately in the Internet retailer market. In addition, sales in our retail channel increased approximately $2.4 million in the nine months ended September 30, 2012 compared to the nine months ended September 30, 2011, despite a one-time stocking order of approximately $4.5 million for a significant customer in the first quarter of 2011 that did not recur in 2012. We were able to more than replace the sales of the 2011 one-time stocking order via market share gains at certain of our existing customers to whom we now provide additional products and through sales related to our new broom and brush product line. In addition, we generated $0.7 million in sales from our July 2012 acquisition of Engetran.

Cequent Americas' gross profit increased approximately $0.4 million to $84.1 million, or 26.3% of sales, in the nine months ended September 30, 2012, as compared to $83.7 million, or 27.3% of sales, in the nine months ended September 30, 2011, as the profit generated from the increase in sales was almost offset by approximately $3.6 million of costs incurred related to the expansion of our manufacturing capacity and footprint in our lower cost country facilities and subsequent move of certain OE production thereto and, to a lesser extent, a less favorable product sales mix, with our lower margin channels comprising a larger percentage of sales.

Selling, general and administrative expenses increased approximately $3.0 million to $56.1 million, or 17.5% of sales, in the nine months ended September 30, 2012, as compared to $53.0 million, or 17.3% of sales, in the nine months ended September 30, 2011, primarily as a result of higher employee costs in support of our growth initiatives and in connection with diligence, legal and ongoing selling, general and administrative costs associated with our Engetran acquisition.

Cequent Americas' operating profit decreased approximately $2.5 million to $28.1 million, or 8.8% of sales, in the nine months ended September 30, 2012 as compared to $30.6 million, or 10.0% of net sales, in the nine months ended September 30, 2011, as the gross profit earned on the higher sales levels was more than offset by costs associated with the footprint and lower cost country project, a less favorable product sales mix and due to higher selling, general and administrative expenses.

Corporate Expenses.    Corporate expenses consist of the following:

	Nine months ended September 30,
	2012		2011
	(in millions)
Corporate operating expenses	$	10.9	$	8.6
Employee costs and related benefits	15.2		11.9
Corporate expenses	$	26.1	$	20.5

Corporate expenses increased approximately $5.6 million to $26.1 million for the nine months ended September 30, 2012, from $20.5 million for the nine months ended September 30, 2011. The increase between years is primarily attributed to an increase in third party professional fees, primarily supporting our international growth efforts, and higher employee costs and related benefits associated with long-term incentive programs for the nine months ended September 30, 2012 as compared to the nine months ended September 30, 2011.

Discontinued Operations.    The results of discontinued operations consists of our precision tool cutting and specialty fitting lines of business, which were sold in December 2011. There were no businesses classified as discontinued operations for the nine months ended September 30, 2012. During the nine months ended September 30, 2011 income from discontinued operations, net of income taxes was $3.4 million. See Note 3, "Discontinued Operations and Assets Held for Sale," to our consolidated financial statements included in Part I, Item 1 of this quarterly report on Form 10-Q.

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Liquidity and Capital Resources

Cash Flows

Cash flows used for operating activities for the nine months ended September 30, 2012 and 2011 was approximately $15.4 million and $35.6 million, respectively. Significant changes in cash flows used for operating activities and the reasons for such changes are as follows:

• For the nine months ended September 30, 2012, the Company generated $92.3 million of cash, based on the reported net income of $49.4 million and after considering the effects of non-cash items related to gains and losses on dispositions of property and equipment, depreciation, amortization, compensation and related changes in excess tax benefits, changes in deferred income taxes, debt extinguishment costs and other, net. For the nine months ended September 30, 2011, the Company generated $95.2 million in cash flows based on the reported net income of $47.1 million and after considering the effects of similar non-cash items.

• Increases in accounts receivable resulted in a use of cash of approximately $38.8 million and $39.1 million for the nine month periods ended September 30, 2012 and 2011, respectively. The increase in accounts receivable is due primarily to the increase in year-over-year sales and the timing of sales and collection of cash within the period, as our days sales outstanding of receivables remained essentially flat.

• For the nine months ended September 30, 2012 and 2011, we used approximately $31.4 million and $13.5 million, respectively, of cash for investment in our inventories to support our increased sales levels and to capture additional market share where other competitors are unable to fill customer orders on a timely basis.

• For the nine months ended September 30, 2012 and 2011, accounts payable and accrued liabilities resulted in a net use of cash of approximately $6.1 million and $4.8 million, respectively. The change in account payables and accrued liabilities is primarily a result of the timing of payments made to suppliers and the increased investment in inventory.

Net cash used for investing activities for the nine months ended September 30, 2012 and 2011 was approximately $118.1 million and $49.9 million, respectively. During the first nine months of 2012, we paid approximately $84.6 million for business acquisitions, including the acquisition of Arminak in our Packaging reportable segment, CIFAL in our Energy reportable segment, Trail Com in our Cequent Asia Pacific reportable segment and Engetran in our Cequent Americas reportable segment. We also incurred approximately $36.4 million in capital expenditures, which increased over the nine months ended September 30, 2011 levels, as we have increased our investment in growth and productivity-related capital projects due to the improved economic conditions. Cash received from the disposition of assets was approximately $3.0 million for the first nine months of 2012, primarily due to the collection of the note receivable recorded as a part of the sale of our precision tool cutting and specialty fittings lines of business. During the first nine months of 2011, we paid approximately $28.6 million for business acquisitions, primarily related to the stock acquisition of Innovative Molding within our Packaging reportable segment, we invested approximately $23.5 million in capital expenditures, while cash received from the disposition of assets was approximately $2.2 million.

Net cash provided by financing activities was approximately $39.9 million for the nine months ended September 30, 2012 compared to a net use of cash of approximately $21.5 million for the nine months ended September 30, 2011. During the first nine months of 2012, we completed an equity offering which resulted in net proceeds of approximately $79.0 million. Of the net proceeds, approximately $54.9 million was utilized for the partial redemption of our 9¾% senior notes due 2017 ("Senior Notes"). In addition, we received approximately $4.7 million greater proceeds from the exercise of stock options during the first nine months of 2012 than the first nine months of 2011. We borrowed $15.6 million, net and $0.9 million, net, respectively, during the first nine months of 2012 and 2011 on our credit facility in Australia. We paid $5 million and $15 million, respectively, in 2012 and 2011 on our term loan per the excess cash flow provisions of our credit agreements. In addition during the first nine months of 2011, we completed the refinance of our U.S. bank debt, repaying the remaining $233.0 million term loan, borrowing $225.0 million on the new term loan facility and borrowing a net $5.0 million on our revolving credit facility.

Our Debt and Other Commitments

We are party to a credit agreement consisting of a $125.0 million revolving credit facility and a $225.0 million term loan facility (collectively, the "Credit Agreement"). At September 30, 2012, $217.2 million was outstanding on the term loan and no amount was outstanding on the revolving credit facility. The Credit Agreement allows issuance of letters of credit, not to exceed $50.0 million in aggregate, against revolving credit facility commitments.

The Credit Agreement also provides for incremental term loan facility commitments, not to exceed $200.0 million. Under the Credit Agreement, we are also able to issue unsecured indebtedness in connection with permitted acquisitions, as defined, as long as we, on a pro forma basis, after giving effect to such acquisition, are in compliance with all applicable financial covenants, as defined.

47

Under the Credit Agreement, we are required to make a prepayment of our term loan facility pursuant to an excess cash flow sweep provision, equal to 50% of the computed amount of excess cash flow generated during the year, as defined. In April 2012, the Company prepaid $5.0 million of term loan principal under this provision.

Amounts drawn under our revolving credit facilities fluctuate daily based upon our working capital and other ordinary course needs. Availability under our revolving credit facilities depends upon, among other things, compliance with our Credit Agreement's financial covenants. Our Credit Agreement contains negative and affirmative covenants and other requirements affecting us and our subsidiaries, including among others: restrictions on incurrence of debt (except for permitted acquisitions and subordinated indebtedness), liens, mergers, investments, loans, advances, guarantee obligations, acquisitions, asset dispositions, sale-leaseback transactions, hedging agreements, dividends and other restricted junior payments, stock repurchases, transactions with affiliates, restrictive agreements and amendments to charters, by-laws, and other material documents. The terms of our Credit Agreement require us and our subsidiaries to meet certain restrictive financial covenants and ratios computed quarterly, including a leverage ratio (total consolidated indebtedness plus outstanding amounts under the accounts receivable securitization facility over consolidated EBITDA, as defined), interest expense coverage ratio (consolidated EBITDA, as defined, over cash interest expense, as defined) and a capital expenditures covenant. The most restrictive of these financial covenants are the leverage ratio and interest expense coverage ratio. Our permitted leverage ratio under the Credit Agreement is 3.75 to 1.00 for April 1, 2012 to September 30, 2012, 3.50 to 1.00 for October 1, 2012 to June 30, 2013, 3.25 to 1.00 from July 1, 2013 and thereafter. Our actual leverage ratio was 2.29 to 1.00 at September 30, 2012. Our permitted interest expense coverage ratio under the Credit Agreement is 2.75 to 1.00 for April 1, 2012 to December 31, 2012, 3.00 to 1.00 for January 1, 2013 and thereafter. Our actual interest expense coverage ratio was 5.08 to 1.00 at September 30, 2012. At September 30, 2012, we were in compliance with our covenants under our Credit Agreement.

The following is a reconciliation of net income attributable to TriMas Corporation, as reported, which is a GAAP measure of our operating results, to Consolidated Bank EBITDA, as defined in our Credit Agreement, for the twelve months ended September 30, 2012. We present Consolidated Bank EBITDA to show our performance under our financial covenants.

				Less:			Add:
	Year Ended December 31, 2011			Nine Months Ended September 30, 2011			Nine Months Ended September 30, 2012			Twelve Months Ended September 30, 2012
	(dollars in thousands)
Net income attributable to TriMas Corporation	$	60,360		$	47,110		$	47,820		$	61,070
Bank stipulated adjustments:
Net income attributable to partially-owned subsidiaries	—			—			(3,650		)	(3,650		)
Interest expense, net (as defined)	44,480			34,370			30,420			40,530
Income tax expense(1)	33,980			23,750			19,770			30,000
Depreciation and amortization	40,470			29,940			30,710			41,240
Non-cash compensation expense(2)	3,510			2,580			6,640			7,570
Other non-cash expenses or losses	3,850			2,440			3,240			4,650
Non-recurring expenses or costs in connection with acquisition integration(3)	350			250			200			300
Debt extinguishment costs(4)	3,970			3,970			6,560			6,560
Non-recurring expenses or costs for cost saving projects	220			220			5,730			5,730
Negative EBITDA from discontinued operations(5)	1,840			—			—			1,840
Permitted dispositions(6)	(8,370		)	(7,120		)	—			(1,250		)
Permitted acquisitions(7)	2,540			2,420			850			970
Consolidated Bank EBITDA, as defined	$	187,200		$	139,930		$	148,290		$	195,560

48

	September 30, 2012
	(dollars in thousands)
Total Consolidated Indebtedness, as defined(8)	$	448,010
Consolidated Bank EBITDA, as defined	195,560
Actual leverage ratio	2.29		x
Covenant requirement	3.75		x

				Less:			Add:
	Year Ended December 31, 2011			Nine Months Ended September 30, 2011			Nine Months Ended September 30, 2012			Twelve Months Ended September 30, 2012
	(dollars in thousands)
Interest expense, net (as reported)	$	44,480		$	34,370		$	30,420		$	40,530
Bank stipulated adjustments:
Interest income	(420		)	(310		)	(390		)	(500		)
Non-cash amounts attributable to amortization of financing costs	(2,910		)	(2,230		)	(2,230		)	(2,910		)
Pro forma adjustment for acquisitions and dispositions	3,080			2,570			890			1,400
Total Consolidated Cash Interest Expense, as defined	$	44,230		$	34,400		$	28,690		$	38,520

	September 30, 2012
	(dollars in thousands)
Consolidated Bank EBITDA, as defined	$	195,560
Total Consolidated Cash Interest Expense, as defined	38,520
Actual interest expense ratio	5.08		x
Covenant requirement	2.75		x

______________________

⁽¹⁾ Amount includes tax expense associated with discontinued operations.

⁽²⁾ Non-cash expenses resulting from the grant of restricted shares of common stock and common stock options.

⁽³⁾ Non-recurring costs and expenses arising from the integration of any business acquired not to exceed $25,000,000 in the aggregate.

⁽⁴⁾ Costs incurred with refinancing our credit facilities.

⁽⁵⁾ Not to exceed $10.0 million in any fiscal year.

⁽⁶⁾ EBITDA from permitted dispositions, as defined.

⁽⁷⁾  EBITDA from permitted acquisitions, as defined.

⁽⁸⁾  Includes $18.0 million of acquisition deferred purchase price.

49

In October 2012,we amended and restated our existing Credit Agreement (the "Amended and Restated Credit Agreement" or "ARCA"), pursuant to which we reduced prospective interest rates, extended maturities and increased our available liquidity. Below is a summary of the key terms under the ARCA:

Instrument	Amount ($ in millions)		Maturity Date	Interest Rate
Senior Secured Revolving Credit facility	$	250.0	10/11/2017	LIBOR plus 2.00%
Senior Secured Term Loan A facility	$	200.0	10/11/2017	LIBOR plus 2.00%
Senior Secured Term Loan B facility	$	200.0	10/11/2019	LIBOR plus 2.75% with a 1.00% LIBOR floor

We used the proceeds from borrowings under the ARCA to repay outstanding amounts under the existing Credit Agreement and to complete a tender offer for our Senior Notes, pursuant to which $176.5 million aggregate principal amount were repurchased, representing 88.3% of the aggregate principal amount outstanding.

In addition to the Credit Agreement, in Australia, we are party to a debt agreement which matures on May 31, 2013. At September 30, 2012, the balance outstanding under this agreement was approximately $15.6 million at an interest rate of 3.6%. Borrowings under this arrangement are secured by substantially all the assets of the Australia business, which is also subject to financial and reporting covenants. Financial covenants include a capital adequacy ratio (tangible net worth over total tangible assets) and an interest coverage ratio (EBIT over gross interest cost) and we were in compliance with such covenants at September 30, 2012.

Another important source of liquidity is our $90.0 million accounts receivable facility, under which we have the ability to sell eligible accounts receivable to a third-party multi-seller receivables funding company. We did not have any amounts outstanding under the facility as of September 30, 2012 or December 31, 2011, but had $89.4 million and $57.6 million, respectively, available but not utilized.

At September 30, 2012 and December 31, 2011, we had no amounts outstanding under our revolving credit facility and had an additional $101.7 million and $101.1 million, respectively, potentially available after giving effect to approximately $23.3 million and $23.9 million, respectively, of letters of credit issued and outstanding. The letters of credit are used for a variety of purposes, including support of certain operating lease agreements, vendor payment terms and other subsidiary operating activities, and to meet various states' requirements to self-insure workers' compensation claims, including incurred but not reported claims. Including availability under our accounts receivable facility and after consideration of leverage restrictions contained in the Credit Agreement, we had $191.1 million and $158.8 million, respectively, of borrowing capacity available for general corporate purposes.

Our available revolving credit capacity under the Credit Agreement, after consideration of approximately $23.3 million in letters of credit outstanding related thereto, is approximately $101.7 million, while our available liquidity under our accounts receivable facility ranges from $60 million to $90 million, depending on the level of our receivables outstanding at a given point in time during the year. We rely upon our cash flow from operations and available liquidity under our revolving credit and accounts receivable facilities to fund our debt service obligations and other contractual commitments, working capital and capital expenditure requirements. Our weighted average daily amounts outstanding under the revolving credit and accounts receivable facilities during the first nine months of 2012 approximated $55.6 million, compared to the weighted average daily amounts outstanding during the first nine months of 2011 of $61.5 million. Generally, we use available liquidity under our revolving credit and accounts receivable facilities to fund capital expenditures and daily working capital requirements during the first half of the year, as we experience some seasonality in our two Cequent reportable segments, primarily within Cequent Americas. Sales of towing and trailering products within this segment are generally stronger in the second and third quarters, as original equipment manufacturers ("OEMs"), distributors and retailers acquire product for the spring and summer selling seasons. None of our other reportable segments experiences any significant seasonal fluctuations in their respective businesses. During the second half of the year, the investment in working capital is reduced and amounts outstanding under our revolving credit and receivable facilities are paid down. At the end of each quarter, we use cash on hand from our domestic and foreign subsidiaries to pay down amounts outstanding under our revolving credit and accounts receivable facilities.

Cash management related to our revolving credit and accounts receivable facilities is centralized. We monitor our cash position and available liquidity on a daily basis and forecast our cash needs on a weekly basis within the current quarter and on a monthly basis outside the current quarter over the remainder of the year. Our business and related cash forecasts are updated monthly. Given aggregate available funding under our revolving credit and accounts receivable facilities of $191.1 million at September 30, 2012, after consideration of the aforementioned leverage restrictions, and based on forecasted cash sources and requirements inherent in our business plans, we believe that our liquidity and capital resources, including anticipated cash flows from operations, will be sufficient to meet our debt service, capital expenditure and other short-term and long-term obligation needs for the foreseeable future.

50

Our exposure to interest rate risk results from the variable rates under our Credit Agreement. Borrowings under the Credit Agreement bear interest, at various rates, as more fully described in Note 8, "Long-term Debt," to our consolidated financial statements included in Part I, Item 1 of this quarterly report on Form 10-Q. In March 2012, we entered into an interest rate swap agreement to fix the LIBOR-based variable portion of the interest rate on a total of $100.0 million notional amount of our term loan facility. The swap agreement fixes the LIBOR-based variable portion of the interest rate at 1.80% and expires on June 23, 2016.

At September 30, 2012, 1-Month LIBOR and 3-Month LIBOR approximated 0.22% and 0.39%, respectively. Based on our variable rate-based borrowings outstanding at September 30, 2012, a 1% increase in either the 1-Month LIBOR or 3-Month LIBOR would increase our interest expense by approximately $0.2 million annually, considering our Credit Agreement term loan is subject to a 1.25% LIBOR-floor, and a 1% increase in 1-Month LIBOR would not impact our current effective interest rate on this portion of our debt, as the resulting rate would remain below the 1.25% floor.

Principal payments required under our Credit Agreement term loan are: $0.6 million due each calendar quarter through March 31, 2017, and $207.1 million due on June 21, 2017.

Prior to December 15, 2012, the Company may redeem, on one or more occasions, up to 35% of the principal amount of Senior Notes at a redemption price equal to 109.750% of the principal amount, plus accrued and unpaid interest to the applicable redemption date plus additional interest, if any, with the net cash proceeds of one or more equity offerings, provided that at least 65% of the original principal amount of Senior Notes issued remains outstanding after such redemption, and provided further that each such redemption occurs within 90 days of the date of closing of each such equity offering. In accordance with this provision, in June 2012, we redeemed $50.0 million of our Senior Notes. We utilized $54.9 million of the proceeds from our equity offering completed in May 2012 for a redemption price of 109.750% of the principal amount.

At September 30, 2012, we have $200.0 million (face value) Senior Notes outstanding. Interest on the Senior Notes accrues at the rate of 9.75% per annum and is payable semi-annually in arrears on June 15 and December 15. As noted above, in connection with our debt refinance in October 2012, we completed a tender offer for our Senior Notes, pursuant to which $176.5 million aggregate principal amount were repurchased, representing 88.3% of the aggregate principal amount outstanding.

In addition to our long-term debt, we have other cash commitments related to leases. We account for these lease transactions as operating leases and annual rent expense for continuing operations related thereto approximated $18.9 million. We expect to continue to utilize leasing as a financing strategy in the future to meet capital expenditure needs and to reduce debt levels.

Market Risk

We conduct business in several locations throughout the world and are subject to market risk due to changes in the value of foreign currencies. We began to use derivative financial instruments to manage these risks during the second quarter of 2012, albeit in immaterial notional contracts as we explore this risk mitigation strategy. The functional currencies of our foreign subsidiaries are the local currency in the country of domicile. We manage these operating activities at the local level and revenues and costs are generally denominated in local currencies; however, results of operations and assets and liabilities reported in U.S. dollars will fluctuate with changes in exchange rates between such local currencies and the U.S. dollar.

Common Stock

TriMas is listed in the NASDAQ Global Select Market^SM. Our stock trades under the symbol "TRS."

Credit Rating

We and certain of our outstanding debt obligations are rated by Standard & Poor's and Moody's. On September 19, 2012, Moody's upgraded our outlook to positive and assigned a preliminary rating of Ba3 for the proposed credit facilities, as presented in Note 16, “Subsequent Events,” to our consolidated financial statements included in Part I Item 1 of this quarterly report on Form 10-Q. Previously, Moody's had assigned our outlook as stable and our current corporate credit, credit facilities, and senior secured notes ratings as Ba3, Ba1, and B1, respectively. On September 19, 2012, Standard & Poor's assigned a BB rating to our proposed credit facilities and held our outlook as stable. Previously, Standard & Poor's assigned our corporate credit, credit facilities, and senior secured notes ratings to BB-, BB+, and B, respectively, and assigned our outlook as stable. If our credit ratings were to decline, our ability to access certain financial markets may become limited, the perception of us in the view of our customers, suppliers and security holders may worsen and as a result, we may be adversely affected.

51

Outlook

Over the past two years, we have accelerated our growth strategies via bolt-on acquisitions and geographic expansion, primarily within our Packaging, Energy, Engineered Components and Cequent Asia Pacific reportable segments. We also have benefited from further economic recovery, experienced significant market share gains in many of our reportable segments and continued to develop and introduce new products to our markets. Given these successful sales growth initiatives, we strategically increased our investments in inventory levels and capital projects in certain of our businesses to capture additional market share, expand upon our existing growth and productivity initiatives and build additional capacity in higher-margin platforms to support the significant sales growth. While this has helped to significantly increase our net sales levels and set the foundation for continued growth, profit margins in certain of our segments and for the overall Company have declined, particularly within Packaging due to the Innovative and Arminak acquisitions, which have lower historical margins than our legacy Packaging business plus we have incurred significant diligence and purchase accounting costs, in Energy, where we make pricing decisions to penetrate new markets and do not yet have volume leverage and in the Cequent businesses, which are involved in footprint consolidation projects that lower margins until complete.

While additional acquisitions, branch expansions and spending on growth initiatives may put further short-term pressure on profit margins based on the aforementioned factors, particularly within our Packaging and Energy reportable segments, we believe that the margins in these businesses will moderate to historical levels over time as we integrate them into our businesses and capitalize on productivity initiatives and volume efficiencies. We believe we remain well-positioned to achieve further market share gains and generate additional operating leverage as a result of our low fixed cost structure in certain businesses and with the footprint consolidation projects within the Cequent businesses.

Our priorities remain consistent with our strategic aspirations: continuing to identify and execute on cost savings and productivity initiatives that fund core growth, reduce cycle times and secure our position as best cost producer, growing revenue via new products and expanding our core products in non-U.S. markets, and continuing to reduce our debt leverage while increasing our available liquidity.

Impact of New Accounting Standards

See Note 15, "New Accounting Pronouncements," included in Item 1, "Notes to Unaudited Consolidated Financial Statements," within this quarterly report on Form 10-Q.

Critical Accounting Policies

Certain of our accounting policies require the application of significant judgment by management in selecting the appropriate assumptions for calculating financial estimates. By their nature, these judgments are subject to an inherent degree of uncertainty. These judgments are based on our historical experience, our evaluation of business and macroeconomic trends, and information from other outside sources, as appropriate.

During the quarter ended September 30, 2012, there were no material changes to the items that we disclosed as our critical accounting policies in Part II, Item 7, "Management's Discussion and Analysis of Financial Condition and Results of Operations," in the Annual Report on Form 10-K for the year ended December 31, 2011.

52

Item 3.    Quantitative and Qualitative Disclosures About Market Risk

In the normal course of business, we are exposed to market risk associated with fluctuations in foreign currency exchange rates. We are also subject to interest risk as it relates to long-term debt. See Part I, Item 2, "Management's Discussion and Analysis of Financial Condition and Results of Operations," for details about our primary market risks, and the objectives and strategies used to manage these risks. Also see Note 8, "Long-term Debt," in Part I, Item 1, "Notes to Unaudited Consolidated Financial Statements," included within this quarterly report on Form 10-Q for additional information.

Item 4.    Controls and Procedures

The Company maintains disclosure controls and procedures that are designed to ensure that information required to be disclosed in the reports that the Company files or submits under the Securities and Exchange Act of 1934, as amended (the "Exchange Act") is recorded, processed, summarized, and reported within the time periods specified in the SEC's rules and forms, and that such information is accumulated and communicated to the Company's management, including its Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosures.

Evaluation of disclosure controls and procedures

As of September 30, 2012, an evaluation was carried out by management, with the participation of the Chief Executive Officer and Chief Financial Officer, of the effectiveness of the Company's disclosure controls and procedures (as such term is defined in Rule 13a-15(e) and Rule 15d-15(e) of the Exchange Act) pursuant to Rule 13a-15 of the Exchange Act. The Company's disclosure controls and procedures are designed only to provide reasonable assurance that they will meet their objectives. Based upon that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that as of September 30, 2012, the Company's disclosure controls and procedures are effective to provide reasonable assurance that they would meet their objectives.

Changes in internal control over financial reporting

There have been no changes in the Company's internal control over financial reporting during the quarter ended September 30, 2012 that have materially affected, or are reasonably likely to materially affect, the Company's internal control over financial reporting.

53

PART II. OTHER INFORMATION

TRIMAS CORPORATION

Item 1.    Legal Proceedings

See Note 10, "Commitments and Contingencies," included in Part I, Item 1, "Notes to Unaudited Consolidated Financial Statements," within this quarterly report on Form 10-Q.

Item 1A.    Risk Factors

In addition to the other information set forth in this report, you should carefully consider the factors discussed in Part 1, Item 1A., "Risk Factors," in our Annual Report on Form 10-K for the year ended December 31, 2011, which could materially affect our business, financial condition or future results. There have been no significant changes in our risk factors as disclosed in our 2011 Form 10-K, except to update the first paragraph and add a new paragraph within our unionization risk factor as noted below:

We may be subject to further unionization and work stoppages at our facilities or our customers may be subject to work stoppages, which could seriously impact the profitability of our business.

As of December 31, 2011, approximately 23% of our work force in our continuing operations was unionized under several different unions and bargaining agreements. On October 18, 2012, we announced a preliminary recommendation to close our Goshen, Indiana, manufacturing facility within our Cequent Americas segment, potentially impacting approximately half of our current unionized work force. If our unionized workers were to engage in a strike, work stoppage or other slowdown in the future, we could experience a significant disruption of our operations. In addition, if a greater percentage of our work force becomes unionized, our labor costs and risks associated with strikes, work stoppages or other slowdowns may increase.

On August 6, 2012, we concluded, without a work stoppage or strike, a three year extension of our  labor agreement with the United Automobile, Aerospace and Agricultural Implement Workers of America at our aerospace facility in California. 

Item 2.    Unregistered Sales of Equity Securities and Use of Proceeds

None.

Item 3.    Defaults Upon Senior Securities

Not applicable.

Item 4.    Mine Safety Disclosures

Not applicable.

Item 5.    Other Information

Not applicable.

54

Item 6.    Exhibits.

Exhibits Index:

3.1(a)	Fourth Amended and Restated Certificate of Incorporation of TriMas Corporation.
3.2(b)	Second Amended and Restated By-laws of TriMas Corporation.
4.1(c)	Indenture relating to the 9 ¾% senior secured notes dated as of December 29, 2009, among TriMas Corporation, the Guarantors named therein and The Bank of New York Mellon Trust Company, N.A., as Trustee.
4.2(d)	First Supplemental Indenture, dated as of October 5, 2012, among TriMas Corporation, the Guarantors named therein and The Bank of New York Mellon Trust Company, N.A., as Trustee.
10.1(e)	Amended & Restated Credit Agreement, dated as of October 11, 2012, among TriMas Corporation, TriMas Company LLC and JPMorgan Chase Bank, N.A., as Administrative Agent and Collateral Agent.
31.1	Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 302 of the Sarbanes‑Oxley Act of 2002.
31.2	Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 302 of the Sarbanes‑Oxley Act of 2002.
32.1	Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes‑Oxley Act of 2002.
32.2	Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes‑Oxley Act of 2002.
101.INS	XBRL Instance Document.
101.SCH	XBRL Taxonomy Extension Schema Document.
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB	XBRL Taxonomy Extension Label Linkbase Document.
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document.

(a)	Incorporated by reference to the Exhibits filed with our Quarterly Report on Form 10-Q filed on August 3, 2007 (File No. 333-100351).
(b)	Incorporated by reference to the Exhibits filed with our Current Report on Form 8-K filed on February 18, 2011 (File No. 001-10716).
(c)	Incorporated by reference to the Exhibits filed with our Current Report on Form 8-K filed on January 15, 2010 (File No. 001-10716).
(d)	Incorporated by reference to the Exhibits filed with our Current Report on Form 8-K filed on October 11, 2012 (File No. 001-10716).
(e)	Incorporated by reference to the Exhibits filed with our Current Report on Form 8-K filed on October 16, 2012 (File No. 001-10716).

55

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		TRIMAS CORPORATION (Registrant)
			/s/ A. MARK ZEFFIRO
Date:	October 25, 2012	By:	A. Mark Zeffiro Chief Financial Officer

56

EX-31.1

Exhibit 31.1

Certification

Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002

(Chapter 63, Title 18 U.S.C. Section 1350(A) and (B))

I, David M. Wathen, certify that:

1. I have reviewed this quarterly report on Form 10-Q of TriMas Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer(s) and I am responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: October 25, 2012

/s/ DAVID M. WATHEN

David M. Wathen

Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification

Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002

(Chapter 63, Title 18 U.S.C. Section 1350(A) and (B))

I, A. Mark Zeffiro, certify that:

1. I have reviewed this quarterly report on Form 10-Q of TriMas Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer(s) and I am responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: October 25, 2012

/s/ A. Mark Zeffiro

A. Mark Zeffiro

Chief Financial Officer

EX-32.1

Exhibit 32.1

Certification Pursuant to

18 U.S.C. Section 1350,

As Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of TriMas Corporation (the "Company") on Form 10-Q for the period ended September 30, 2012 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, David M. Wathen, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: October 25, 2012

/s/ DAVID M. WATHEN

David M. Wathen

Chief Executive Officer

EX-32.2

Exhibit 32.2

Certification Pursuant to

18 U.S.C. Section 1350,

As Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of TriMas Corporation (the “Company”) on Form 10-Q for the period ended September 30, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, A. Mark Zeffiro, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes‑Oxley Act of 2002, that to the best of my knowledge:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: October 25, 2012

/s/ A. MARK ZEFFIRO

A. Mark Zeffiro

Chief Financial Officer

XML

Supplemental Guarantor Condensed Consolidating Financial Information (Tables)

9 Months Ended

Sep. 30, 2012

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Schedule of Condensed Balance Sheet

Supplemental Guarantor

Condensed Financial Statements

Consolidating Balance Sheet

(dollars in thousands)

	September 30, 2012
	Parent		Guarantor		Non- Guarantor		Eliminations			Consolidated Total
Assets
Current assets:
Cash and cash equivalents	$	—	$	5,860	$	20,230	$	—		$	26,090
Trade receivables, net	—		147,400		37,640		—			185,040
Receivables, intercompany	—		10,200		—		(10,200		)	—
Inventories	—		163,700		56,750		—			220,450
Deferred income taxes	—		17,320		1,190		—			18,510
Prepaid expenses and other current assets	—		8,590		1,560		—			10,150
Total current assets	—		353,070		117,370		(10,200		)	460,240
Investments in subsidiaries	513,420		170,050		—		(683,470		)	—
Property and equipment, net	—		111,420		68,680		—			180,100
Goodwill	—		204,680		64,580		—			269,260
Intangibles and other assets	4,780		203,640		28,610		(1,340		)	235,690
Total assets	$	518,200	$	1,042,860	$	279,240	$	(695,010	)	$	1,145,290
Liabilities and Shareholders' Equity
Current liabilities:
Current maturities, long-term debt	$	—	$	2,330	$	15,620	$	—		$	17,950
Accounts payable, trade	—		110,260		38,630		—			148,890
Accounts payable, intercompany	—		—		10,200		(10,200		)	—
Accrued liabilities	5,740		60,650		13,090		—			79,480
Total current liabilities	5,740		173,240		77,540		(10,200		)	246,320
Long-term debt	197,020		215,020		—		—			412,040
Deferred income taxes	—		56,760		10,920		(1,340		)	66,340
Other long-term liabilities	—		58,050		20,730		—			78,780
Total liabilities	202,760		503,070		109,190		(11,540		)	803,480
Redeemable noncontrolling interest	—		26,370		—		—			26,370
Total shareholders' equity	315,440		513,420		170,050		(683,470		)	315,440
Total liabilities and shareholders' equity	$	518,200	$	1,042,860	$	279,240	$	(695,010	)	$	1,145,290

Supplemental Guarantor

Condensed Financial Statements

Consolidating Balance Sheet

(dollars in thousands)

	December 31, 2011
	Parent		Guarantor		Non- Guarantor		Eliminations			Consolidated Total
Assets
Current assets:
Cash and cash equivalents	$	—	$	33,820	$	55,100	$	—		$	88,920
Trade receivables, net	—		105,030		30,580		—			135,610
Receivables, intercompany	—		2,290		—		(2,290		)	—
Inventories	—		147,010		31,020		—			178,030
Deferred income taxes	—		17,280		1,230		—			18,510
Prepaid expenses and other current assets	—		8,950		1,670		—			10,620
Total current assets	—		314,380		119,600		(2,290		)	431,690
Investments in subsidiaries	412,840		169,360		—		(582,200		)	—
Property and equipment, net	—		103,880		55,330		—			159,210
Goodwill	—		169,290		46,070		—			215,360
Intangibles and other assets	7,920		169,020		6,350		(3,010		)	180,280
Total assets	$	420,760	$	925,930	$	227,350	$	(587,500	)	$	986,540
Liabilities and Shareholders' Equity
Current liabilities:
Current maturities, long-term debt	$	—	$	7,290	$	—	$	—		$	7,290
Accounts payable, trade	—		115,150		31,780		—			146,930
Accounts payable, intercompany	—		—		2,290		(2,290		)	—
Accrued liabilities	1,080		58,660		10,400		—			70,140
Total current liabilities	1,080		181,100		44,470		(2,290		)	224,360
Long-term debt	245,890		216,720		—		—			462,610
Deferred income taxes	—		61,580		6,210		(3,010		)	64,780
Other long-term liabilities	—		53,690		7,310		—			61,000
Total liabilities	246,970		513,090		57,990		(5,300		)	812,750
Total shareholders' equity	173,790		412,840		169,360		(582,200		)	173,790
Total liabilities and shareholders' equity	$	420,760	$	925,930	$	227,350	$	(587,500	)	$	986,540

Schedule of Condensed Income Statement

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Operations

(dollars in thousands)

	Three Months Ended September 30, 2012
	Parent			Guarantor			Non-Guarantor			Eliminations			Consolidated Total
Net sales	$	—		$	275,570		$	88,220		$	(27,920	)	$	335,870
Cost of sales	—			(201,870		)	(71,780		)	27,920			(245,730		)
Gross profit	—			73,700			16,440			—			90,140
Selling, general and administrative expenses	—			(44,240		)	(9,310		)	—			(53,550		)
Gain (loss) on dispositions of property and equipment	—			(20		)	30			—			10
Operating profit	—			29,440			7,160			—			36,600
Other expense, net:
Interest expense	(5,140		)	(3,620		)	(690		)	—			(9,450		)
Other, net	—			300			(160		)	—			140
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	(5,140		)	26,120			6,310			—			27,290
Income tax (expense) benefit	1,800			(8,160		)	(970		)	—			(7,330		)
Equity in net income of subsidiaries	23,300			5,340			—			(28,640		)	—
Net income	19,960			23,300			5,340			(28,640		)	19,960
Less: Net income attributable to noncontrolling interests	—			1,290			—			—			1,290
Net income attributable to TriMas Corporation	$	19,960		$	22,010		$	5,340		$	(28,640	)	$	18,670

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Operations

(dollars in thousands)

	Three Months Ended September 30, 2011
	Parent			Guarantor			Non-Guarantor			Eliminations			Consolidated Total
Net sales	$	—		$	230,030		$	59,910		$	(12,280	)	$	277,660
Cost of sales	—			(164,480		)	(43,520		)	12,280			(195,720		)
Gross profit	—			65,550			16,390			—			81,940
Selling, general and administrative expenses	—			(39,080		)	(7,090		)	—			(46,170		)
Gain (loss) on dispositions of property and equipment	—			70			(50		)	—			20
Operating profit	—			26,540			9,250			—			35,790
Other income (expense), net:
Interest expense	(6,420		)	(3,660		)	(650		)	—			(10,730		)
Other, net	—			(770		)	1,310			—			540
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	(6,420		)	22,110			9,910			—			25,600
Income tax (expense) benefit	3,330			(9,030		)	(2,920		)	—			(8,620		)
Equity in net income of subsidiaries	21,360			6,990			—			(28,350		)	—
Income from continuing operations	18,270			20,070			6,990			(28,350		)	16,980
Income from discontinued operations, net of income taxes	—			1,290			—			—			1,290
Net income	$	18,270		$	21,360		$	6,990		$	(28,350	)	$	18,270

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Operations

(dollars in thousands)

	Nine Months Ended September 30, 2012
	Parent			Guarantor			Non-Guarantor			Eliminations			Consolidated Total
Net sales	$	—		$	813,000		$	215,870		$	(57,000	)	$	971,870
Cost of sales	—			(593,450		)	(170,480		)	57,000			(706,930		)
Gross profit	—			219,550			45,390			—			264,940
Selling, general and administrative expenses	—			(131,370		)	(25,360		)	—			(156,730		)
Gain on dispositions of property and equipment	—			300			30			—			330
Operating profit	—			88,480			20,060			—			108,540
Other income (expense), net:
Interest expense	(17,750		)	(11,130		)	(1,540		)	—			(30,420		)
Debt extinguishment costs	(6,560		)	—			—			—			(6,560		)
Other, net	—			(3,330		)	920			—			(2,410		)
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	(24,310		)	74,020			19,440			—			69,150
Income tax (expense) benefit	8,510			(24,260		)	(4,020		)	—			(19,770		)
Equity in net income of subsidiaries	65,180			15,420			—			(80,600		)	—
Net income	49,380			65,180			15,420			(80,600		)	49,380
Less: Net income attributable to noncontrolling interests	—			1,560			—			—			1,560
Net income attributable to TriMas Corporation	$	49,380		$	63,620		$	15,420		$	(80,600	)	$	47,820

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Operations

(dollars in thousands)

	Nine Months Ended September 30, 2011
	Parent			Guarantor			Non-Guarantor			Eliminations			Consolidated Total
Net sales	$	—		$	687,770		$	171,000		$	(34,460	)	$	824,310
Cost of sales	—			(490,760		)	(125,960		)	34,460			(582,260		)
Gross profit	—			197,010			45,040			—			242,050
Selling, general and administrative expenses	—			(114,890		)	(22,290		)	—			(137,180		)
Gain (loss) on dispositions of property and equipment	—			80			(30		)	—			50
Operating profit	—			82,200			22,720			—			104,920
Other income (expense), net:
Interest expense	(19,250		)	(13,320		)	(1,800		)	—			(34,370		)
Debt extinguishment costs	—			(3,970		)	—			—			(3,970		)
Other, net	—			(5,180		)	4,010			—			(1,170		)
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	(19,250		)	59,730			24,930			—			65,410
Income tax (expense) benefit	7,820			(21,510		)	(8,040		)	—			(21,730		)
Equity in net income of subsidiaries	58,540			16,890			—			(75,430		)	—
Income from continuing operations	47,110			55,110			16,890			(75,430		)	43,680
Income from discontinued operations, net of income taxes	—			3,430			—			—			3,430
Net income	$	47,110		$	58,540		$	16,890		$	(75,430	)	$	47,110

Schedule of Condensed Financial Statements

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Comprehensive Income

(dollars in thousands)

	Three Months Ended September 30, 2012
	Parent		Guarantor			Non-Guarantor		Eliminations			Consolidated Total
Net income	$	19,960	$	23,300		$	5,340	$	(28,640	)	$	19,960
Other comprehensive income:
Amortization of defined benefit plan deferred (gains) losses, net of tax	—		(820		)	80		—			(740		)
Foreign currency translation	—		—			3,040		—			3,040
Net changes in unrealized (gain) loss on derivative instruments, net of tax	—		(140		)	60		—			(80		)
Total other comprehensive loss	—		(960		)	3,180		—			2,220
Total comprehensive income	19,960		22,340			8,520		(28,640		)	22,180
Less: Net income attributable to noncontrolling interests	—		1,290			—		—			1,290
Total comprehensive income attributable to TriMas Corporation	$	19,960	$	21,050		$	8,520	$	(28,640	)	$	20,890

	Three Months Ended September 30, 2011
	Parent		Guarantor		Non-Guarantor			Eliminations			Consolidated Total
Net income	$	18,270	$	21,360	$	6,990		$	(28,350	)	$	18,270
Other comprehensive income:
Amortization of defined benefit plan deferred losses, net of tax	—		30		30			—			60
Foreign currency translation	—		—		(11,340		)	—			(11,340		)
Total other comprehensive income (loss)	—		30		(11,310		)	—			(11,280		)
Total comprehensive income	$	18,270	$	21,390	$	(4,320	)	$	(28,350	)	$	6,990

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Comprehensive Income

(dollars in thousands)

	Nine Months Ended September 30, 2012
	Parent		Guarantor			Non-Guarantor		Eliminations			Consolidated Total
Net income	$	49,380	$	65,180		$	15,420	$	(80,600	)	$	49,380
Other comprehensive income
Amortization of defined benefit plan deferred (gains) losses, net of tax	—		(700		)	170		—			(530		)
Foreign currency translation	—		—			2,680		—			2,680
Net changes in unrealized gain on derivative instruments, net of tax	—		(1,000		)	—		—			(1,000		)
Total other comprehensive loss	—		(1,700		)	2,850		—			1,150
Total comprehensive income	49,380		63,480			18,270		(80,600		)	50,530
Less: Net income attributable to noncontrolling interests	—		1,560			—		—			1,560
Total comprehensive income attributable to TriMas Corporation	$	49,380	$	61,920		$	18,270	$	(80,600	)	$	48,970

	Nine Months Ended September 30, 2011
	Parent		Guarantor		Non-Guarantor			Eliminations			Consolidated Total
Net income	$	47,110	$	58,540	$	16,890		$	(75,430	)	$	47,110
Other comprehensive income
Amortization of defined benefit plan deferred losses, net of tax	—		90		80			—			170
Foreign currency translation	—		—		(3,990		)	—			(3,990		)
Net changes in unrealized loss on derivative instruments, net of tax	—		230		—			—			230
Total other comprehensive income (loss)	—		320		(3,910		)	—			(3,590		)
Total comprehensive income	$	47,110	$	58,860	$	12,980		$	(75,430	)	$	43,520

Schedule of Condensed Cash Flow Statement

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Cash Flows

(dollars in thousands)

	Nine Months Ended September 30, 2012
	Parent			Guarantor			Non-Guarantor			Eliminations		Consolidated Total
Cash Flows from Operating Activities:
Net cash provided by (used for) operating activities	$	(12,170	)	$	26,100		$	1,470		$	—	15,400
Cash Flows from Investing Activities:
Capital expenditures	—			(23,600		)	(12,840		)	—		(36,440		)
Acquisition of businesses, net of cash acquired	—			(62,730		)	(21,870		)	—		(84,600		)
Net proceeds from disposition of assets	—			2,790			160			—		2,950
Net cash used for investing activities	—			(83,540		)	(34,550		)	—		(118,090		)
Cash Flows from Financing Activities:
Proceeds from sale of common stock in connection with the Company's equity offering, net of issuance costs	79,040			—			—			—		79,040
Proceeds from borrowings on term loan facilities	—			—			140,370			—		140,370
Repayments of borrowings on term loan facilities	—			(6,610		)	(124,240		)	—		(130,850		)
Proceeds from borrowings on revolving credit facilities and accounts receivable facility	—			555,300			—			—		555,300
Repayments of borrowings on revolving credit facilities and accounts receivable facility	—			(555,300		)	—			—		(555,300		)
Repurchase of 9¾% senior secured notes	(50,000		)	—			—			—		(50,000		)
Senior secured notes redemption premium	(4,880		)	—			—			—		(4,880		)
Distributions to noncontrolling interests	—			(820		)	—			—		(820		)
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	(990		)	—			—			—		(990		)
Proceeds from exercise of stock options	5,680			—			—			—		5,680
Excess tax benefits from stock based compensation	—			2,310			—			—		2,310
Intercompany transfers (to) from subsidiaries	(16,680		)	34,600			(17,920		)	—		—
Net cash provided by (used for) financing activities	12,170			29,480			(1,790		)	—		39,860
Cash and Cash Equivalents:
Decrease for the period	—			(27,960		)	(34,870		)	—		(62,830		)
At beginning of period	—			33,820			55,100			—		88,920
At end of period	$	—		$	5,860		$	20,230		$	—	$	26,090

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Cash Flows

(dollars in thousands)

	Nine Months Ended September 30, 2011
	Parent			Guarantor			Non-Guarantor			Eliminations		Consolidated Total
Cash Flows from Operating Activities:
Net cash provided by (used for) operating activities	$	(12,190	)	$	29,050		$	18,690		$	—	$	35,550
Cash Flows from Investing Activities:
Capital expenditures	—			(14,950		)	(8,570		)	—		(23,520		)
Acquisition of businesses, net of cash acquired	—			(27,200		)	(1,420		)	—		(28,620		)
Net proceeds from disposition of assets	—			2,190			50			—		2,240
Net cash used for investing activities	—			(39,960		)	(9,940		)	—		(49,900		)
Cash Flows from Financing Activities:
Proceeds from borrowings on term loan facilities	—			225,000			1,520			—		226,520
Repayments of borrowings on term loan facilities	—			(249,510		)	(660		)	—		(250,170		)
Proceeds from borrowings on revolving credit facilities and accounts receivable facility	—			551,900			—			—		551,900
Repayments of borrowings on revolving credit facilities and accounts receivable facility	—			(547,020		)	—			—		(547,020		)
Debt financing fees	—			(6,680		)	—			—		(6,680		)
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	(830		)	—			—			—		(830		)
Proceeds from exercise of stock options	960			—			—			—		960
Excess tax benefits from stock based compensation	—			3,840			—			—		3,840
Intercompany transfers (to) from subsidiaries	12,060			18,430			(30,490		)	—		—
Net cash provided by (used for) financing activities	12,190			(4,040		)	(29,630		)	—		(21,480		)
Cash and Cash Equivalents:
Decrease for the period	—			(14,950		)	(20,880		)	—		(35,830		)
At beginning of period	—			15,070			31,300			—		46,370
At end of period	$	—		$	120		$	10,420		$	—	$	10,540

XML

Property and Equipment, Net - Depreciation Expense Table (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Depreciation Expense [Line Items]
Depreciation expense			$ 18,990	$ 19,160
Continuing Operations [Member]
Depreciation Expense [Line Items]
Depreciation expense	6,300	5,990	18,990	17,500
Cost of Sales [Member] | Continuing Operations [Member]
Depreciation Expense [Line Items]
Depreciation expense	5,400	5,260	16,420	15,300
Selling, General and Administrative Expenses [Member] | Continuing Operations [Member]
Depreciation Expense [Line Items]
Depreciation expense	$ 900	$ 730	$ 2,570	$ 2,200

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Acquisitions - Other Acquisitions (Details) (USD $)	3 Months Ended		9 Months Ended				12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Series of Individually Immaterial Business Acquisitions	Sep. 30, 2011 Series of Individually Immaterial Business Acquisitions	Jun. 30, 2012 Business Acquisition, CIFAL [Member]	Jun. 30, 2012 Business Acquisition, Engetran [Member]	Jun. 30, 2012 Business Acquisition, Trail Com [Member]	Sep. 30, 2011 Business Acquisition, Innovative Molding [Member]	Sep. 30, 2011 Business Acquisition, Lamons India [Member]
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Cash Paid					$ 22,000,000	$ 29,100,000				$ 27,000,000	$ 2,100,000
Business Acquisition, Deferred Purchase Price and Contingent Consideration					12,000,000
Net sales	$ 335,870,000	$ 277,660,000	$ 971,870,000	$ 824,310,000			$ 9,000,000	$ 6,000,000	$ 12,000,000

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Equity Awards - Stock Options Narrative (Details) (Stock Options [Member], USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options granted		0
Exercisable/Vested stock options	717,292	717,292
Fair value of exercisable/vested stock options		$ 0.4	$ 0.3
Stock-based compensation expense	$ 0

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Long-term Debt - Debt Table (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Dec. 29, 2009
Debt Instrument [Line Items]
Debt	$ 429,990	$ 469,900
Current maturities, debt	17,950	7,290
Long-term debt	412,040	462,610
U.S. bank debt and receivables facility [Member]
Debt Instrument [Line Items]
Debt	217,190	223,870
Non-U.S. bank debt and other [Member]
Debt Instrument [Line Items]
Debt	15,780	140
Senior secured notes [Member]
Debt Instrument [Line Items]
Debt	$ 197,020	$ 245,890
Debt Instrument, Interest Rate, Stated Percentage			9.75%

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Supplemental Guarantor Condensed Consolidating Financial Information - Condensed Balance Sheet (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 26,090	$ 88,920	$ 10,540	$ 46,370
Trade receivables, net	185,040	135,610
Receivables, intercompany	0	0
Inventories	220,450	178,030
Deferred income taxes	18,510	18,510
Prepaid expenses and other current assets	10,150	10,620
Total current assets	460,240	431,690
Investments in subsidiaries	0	0
Property and equipment, net	180,100	159,210
Goodwill	269,260	215,360
Intangibles and other assets	235,690	180,280
Total assets	1,145,290	986,540
Current liabilities:
Current maturities, long-term debt	17,950	7,290
Accounts payable, trade	148,890	146,930
Accounts payable, intercompany	0	0
Accrued liabilities	79,480	70,140
Total current liabilities	246,320	224,360
Long-term debt	412,040	462,610
Deferred income taxes	66,340	64,780
Other long-term liabilities	78,780	61,000
Total liabilities	803,480	812,750
Redeemable noncontrolling interest	26,370	0
Total shareholders' equity	315,440	173,790
Total liabilities and shareholders' equity	1,145,290	986,540
Parent [Member]
Current assets:
Cash and cash equivalents	0	0	0	0
Trade receivables, net	0	0
Receivables, intercompany	0	0
Inventories	0	0
Deferred income taxes	0	0
Prepaid expenses and other current assets	0	0
Total current assets	0	0
Investments in subsidiaries	513,420	412,840
Property and equipment, net	0	0
Goodwill	0	0
Intangibles and other assets	4,780	7,920
Total assets	518,200	420,760
Current liabilities:
Current maturities, long-term debt	0	0
Accounts payable, trade	0	0
Accounts payable, intercompany	0	0
Accrued liabilities	5,740	1,080
Total current liabilities	5,740	1,080
Long-term debt	197,020	245,890
Deferred income taxes	0	0
Other long-term liabilities	0	0
Total liabilities	202,760	246,970
Redeemable noncontrolling interest	0
Total shareholders' equity	315,440	173,790
Total liabilities and shareholders' equity	518,200	420,760
Guarantor [Member]
Current assets:
Cash and cash equivalents	5,860	33,820	120	15,070
Trade receivables, net	147,400	105,030
Receivables, intercompany	10,200	2,290
Inventories	163,700	147,010
Deferred income taxes	17,320	17,280
Prepaid expenses and other current assets	8,590	8,950
Total current assets	353,070	314,380
Investments in subsidiaries	170,050	169,360
Property and equipment, net	111,420	103,880
Goodwill	204,680	169,290
Intangibles and other assets	203,640	169,020
Total assets	1,042,860	925,930
Current liabilities:
Current maturities, long-term debt	2,330	7,290
Accounts payable, trade	110,260	115,150
Accounts payable, intercompany	0	0
Accrued liabilities	60,650	58,660
Total current liabilities	173,240	181,100
Long-term debt	215,020	216,720
Deferred income taxes	56,760	61,580
Other long-term liabilities	58,050	53,690
Total liabilities	503,070	513,090
Redeemable noncontrolling interest	26,370
Total shareholders' equity	513,420	412,840
Total liabilities and shareholders' equity	1,042,860	925,930
Non-Guarantor [Member]
Current assets:
Cash and cash equivalents	20,230	55,100	10,420	31,300
Trade receivables, net	37,640	30,580
Receivables, intercompany	0	0
Inventories	56,750	31,020
Deferred income taxes	1,190	1,230
Prepaid expenses and other current assets	1,560	1,670
Total current assets	117,370	119,600
Investments in subsidiaries	0	0
Property and equipment, net	68,680	55,330
Goodwill	64,580	46,070
Intangibles and other assets	28,610	6,350
Total assets	279,240	227,350
Current liabilities:
Current maturities, long-term debt	15,620	0
Accounts payable, trade	38,630	31,780
Accounts payable, intercompany	10,200	2,290
Accrued liabilities	13,090	10,400
Total current liabilities	77,540	44,470
Long-term debt	0	0
Deferred income taxes	10,920	6,210
Other long-term liabilities	20,730	7,310
Total liabilities	109,190	57,990
Redeemable noncontrolling interest	0
Total shareholders' equity	170,050	169,360
Total liabilities and shareholders' equity	279,240	227,350
Eliminations [Member]
Current assets:
Cash and cash equivalents	0	0	0	0
Trade receivables, net	0	0
Receivables, intercompany	(10,200)	(2,290)
Inventories	0	0
Deferred income taxes	0	0
Prepaid expenses and other current assets	0	0
Total current assets	(10,200)	(2,290)
Investments in subsidiaries	(683,470)	(582,200)
Property and equipment, net	0	0
Goodwill	0	0
Intangibles and other assets	(1,340)	(3,010)
Total assets	(695,010)	(587,500)
Current liabilities:
Current maturities, long-term debt	0	0
Accounts payable, trade	0	0
Accounts payable, intercompany	(10,200)	(2,290)
Accrued liabilities	0	0
Total current liabilities	(10,200)	(2,290)
Long-term debt	0	0
Deferred income taxes	(1,340)	(3,010)
Other long-term liabilities	0	0
Total liabilities	(11,540)	(5,300)
Redeemable noncontrolling interest	0
Total shareholders' equity	(683,470)	(582,200)
Total liabilities and shareholders' equity	$ (695,010)	$ (587,500)

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Acquisitions - Results of Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	7 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Business Combinations [Abstract]
Net Sales	$ 23,640	$ 45,000
Net income (loss)	$ 4,310	$ 5,210

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Derivative Instruments (Tables)

9 Months Ended

Sep. 30, 2012

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

As of September 30, 2012 and December 31, 2011, the fair value carrying amount of the Company's interest rate swaps are recorded as follows:

		Asset Derivatives				Liability Derivatives
	Balance Sheet Caption	September 30, 2012		December 31, 2011		September 30, 2012		December 31, 2011
		(dollars in thousands)
Derivatives designated as hedging instruments
Interest rate swap	Accrued liabilities	$	—	$	—	$	550	$	—
Interest rate swap	Other long-term liabilities	—		—		1,060		—
Total derivatives designated as hedging instruments		$	—	$	—	$	1,610	$	—

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance

The effect of interest rate swaps on the consolidated statement of operations for the three and nine months ended September 30, 2012 and 2011 is summarized as follows:

	Amount of Loss Recognized in AOCI on Derivative (Effective Portion, net of tax)						Amount of Loss Reclassified from AOCI into Earnings
							Three months ended September 30,					Nine months ended September 30,
	As of September 30, 2012			As of December 31, 2011		Location of Loss Reclassified from AOCI into Earnings (Effective Portion)	2012			2011		2012			2011
	(dollars in thousands)						(dollars in thousands)
Derivatives designated as hedging instruments
Interest rate swaps	$	(1,000	)	$	—	Interest expense	$	(140	)	$	—	$	(250	)	$	(360	)

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location

Fair Value Measurements, Recurring and Nonrecurring

Fair value measurements and the fair value hierarchy level for the Company's assets and liabilities measured at fair value on a recurring basis as of September 30, 2012 are shown below.  

		September 30, 2012
Description	Frequency	Asset / (Liability)			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
		(dollars in thousands)
Interest rate swaps	Recurring	$	(1,610	)	$	—	$	(1,610	)	$	—

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Supplemental Guarantor Condensed Consolidating Financial Information - Condensed Statement of Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Condensed Financial Statements, Captions [Line Items]
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)
Gain (Loss) on dispositions of property and equipment	10	20	330	50
Operating profit	36,600	35,790	108,540	104,920
Other income (expense), net:
Interest expense	(9,450)	(10,730)	(30,420)	(34,370)
Debt extinguishment costs	0	0	(6,560)	(3,970)
Other, net	140	540	(2,410)	(1,170)
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	27,290	25,600	69,150	65,410
Income tax (expense) benefit	(7,330)	(8,620)	(19,770)	(21,730)
Equity in net income of subsidiaries	0	0	0	0
Income (loss) from continuing operations		16,980		43,680
Income (loss) from discontinued operations, net of income taxes		1,290		3,430
Net income	19,960	18,270	49,380	47,110
Net income (loss) attributable to noncontrolling interests	1,290		1,560
Net income (loss) attributable to TriMas Corporation	18,670	18,270	47,820	47,110
Parent [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales	0	0	0	0
Cost of sales	0	0	0	0
Gross profit	0	0	0	0
Selling, general and administrative expenses	0	0	0	0
Gain (Loss) on dispositions of property and equipment	0	0	0	0
Operating profit	0	0	0	0
Other income (expense), net:
Interest expense	(5,140)	(6,420)	(17,750)	(19,250)
Debt extinguishment costs			(6,560)	0
Other, net	0	0	0	0
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	(5,140)	(6,420)	(24,310)	(19,250)
Income tax (expense) benefit	1,800	3,330	8,510	7,820
Equity in net income of subsidiaries	23,300	21,360	65,180	58,540
Income (loss) from continuing operations		18,270		47,110
Income (loss) from discontinued operations, net of income taxes		0		0
Net income	19,960		49,380
Net income (loss) attributable to noncontrolling interests	0		0
Net income (loss) attributable to TriMas Corporation	19,960	18,270	49,380	47,110
Guarantor [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales	275,570	230,030	813,000	687,770
Cost of sales	(201,870)	(164,480)	(593,450)	(490,760)
Gross profit	73,700	65,550	219,550	197,010
Selling, general and administrative expenses	(44,240)	(39,080)	(131,370)	(114,890)
Gain (Loss) on dispositions of property and equipment	(20)	70	300	80
Operating profit	29,440	26,540	88,480	82,200
Other income (expense), net:
Interest expense	(3,620)	(3,660)	(11,130)	(13,320)
Debt extinguishment costs			0	(3,970)
Other, net	300	(770)	(3,330)	(5,180)
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	26,120	22,110	74,020	59,730
Income tax (expense) benefit	(8,160)	(9,030)	(24,260)	(21,510)
Equity in net income of subsidiaries	5,340	6,990	15,420	16,890
Income (loss) from continuing operations		20,070		55,110
Income (loss) from discontinued operations, net of income taxes		1,290		3,430
Net income	23,300		65,180
Net income (loss) attributable to noncontrolling interests	1,290		1,560
Net income (loss) attributable to TriMas Corporation	22,010	21,360	63,620	58,540
Non-Guarantor [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales	88,220	59,910	215,870	171,000
Cost of sales	(71,780)	(43,520)	(170,480)	(125,960)
Gross profit	16,440	16,390	45,390	45,040
Selling, general and administrative expenses	(9,310)	(7,090)	(25,360)	(22,290)
Gain (Loss) on dispositions of property and equipment	30	(50)	30	(30)
Operating profit	7,160	9,250	20,060	22,720
Other income (expense), net:
Interest expense	(690)	(650)	(1,540)	(1,800)
Debt extinguishment costs			0	0
Other, net	(160)	1,310	920	4,010
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	6,310	9,910	19,440	24,930
Income tax (expense) benefit	(970)	(2,920)	(4,020)	(8,040)
Equity in net income of subsidiaries	0	0	0	0
Income (loss) from continuing operations		6,990		16,890
Income (loss) from discontinued operations, net of income taxes		0		0
Net income	5,340		15,420
Net income (loss) attributable to noncontrolling interests	0		0
Net income (loss) attributable to TriMas Corporation	5,340	6,990	15,420	16,890
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales	(27,920)	(12,280)	(57,000)	(34,460)
Cost of sales	27,920	12,280	57,000	34,460
Gross profit	0	0	0	0
Selling, general and administrative expenses	0	0	0	0
Gain (Loss) on dispositions of property and equipment	0	0	0	0
Operating profit	0	0	0	0
Other income (expense), net:
Interest expense	0	0	0	0
Debt extinguishment costs			0	0
Other, net	0	0	0	0
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	0	0	0	0
Income tax (expense) benefit	0	0	0	0
Equity in net income of subsidiaries	(28,640)	(28,350)	(80,600)	(75,430)
Income (loss) from continuing operations		(28,350)		(75,430)
Income (loss) from discontinued operations, net of income taxes		0		0
Net income	(28,640)		(80,600)
Net income (loss) attributable to noncontrolling interests	0		0
Net income (loss) attributable to TriMas Corporation	$ (28,640)	$ (28,350)	$ (80,600)	$ (75,430)

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Earnings per Share (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Restricted Shares [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Incremental common shares attributable to share-based payment arrangements	289,120	156,213	164,163	114,911
Stock Options [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Incremental common shares attributable to share-based payment arrangements	174,101	327,185	220,937	438,803

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Long-term Debt - Non-U.S. Bank Debt (Details) (Foreign Debt [Member], USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Foreign Debt [Member]
Short-term Debt [Line Items]
Foreign Debt, Amount Outstanding	$ 15.6	$ 0
Foreign Debt, Percentage Average Interest Rate	3.60%

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Subsequent Event (Details) (USD $)	9 Months Ended	1 Months Ended			1 Months Ended					1 Months Ended
	Sep. 30, 2011	Oct. 25, 2012 Subsequent Event [Member] Refinancing of Debt [Member]	Oct. 25, 2012 Senior Secured Term Loan A [Member] Subsequent Event [Member] Refinancing of Debt [Member]	Oct. 11, 2012 Senior Secured Term Loan A [Member] Subsequent Event [Member] Refinancing of Debt [Member]	Oct. 25, 2012 Senior Secured Term Loan B [Member] Subsequent Event [Member] Refinancing of Debt [Member]	Oct. 11, 2012 Senior Secured Term Loan B [Member] Subsequent Event [Member] Refinancing of Debt [Member]	Dec. 29, 2009 Senior secured notes [Member]	Oct. 11, 2012 Senior secured notes [Member] Subsequent Event [Member] Refinancing of Debt [Member]	Sep. 30, 2012 Revolving credit facility [Member]	Oct. 25, 2012 Revolving credit facility [Member] Subsequent Event [Member] Refinancing of Debt [Member]	Oct. 11, 2012 Revolving credit facility [Member] Subsequent Event [Member] Refinancing of Debt [Member]
Subsequent Event [Line Items]
Revolving Credit Facility, Maximum Borrowing Capacity									$ 125,000,000		$ 250,000,000
Debt Instrument, Face Amount				200,000,000		200,000,000	250,000,000
Debt Instrument, Maturity Date			Oct. 11, 2017		Oct. 11, 2019					Oct. 11, 2017
Interest rate, LIBOR plus				2.00%		2.75%			3.25%		2.00%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum					1.00%
Debt Instrument, Repurchased Face Amount								176,500,000
Repurchased amount, % of prinipal amount								88.30%
Payments of Financing Costs	$ 6,680,000	$ 40,000,000

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Supplemental Guarantor Condensed Consolidating Financial Information - Condensed Statement of Cash Flow (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows from Operating Activities:
Net cash provided by (used for) operating activities	$ 15,400	$ 35,550
Cash Flows from Investing Activities:
Capital expenditures	(36,440)	(23,520)
Acquisition of businesses, net of cash acquired	(84,600)	(28,620)
Net proceeds from disposition of assets	2,950	2,240
Net Cash Provided by (Used in) Investing Activities	(118,090)	(49,900)
Cash Flows from Financing Activities:
Proceeds from sale of common stock	79,040	0
Proceeds from borrowings on term loan facilities	140,370	226,520
Repayments of borrowings on term loan facilities	(130,850)	(250,170)
Proceeds from borrowings on revolving credit facilities and accounts receivable facility	555,300	551,900
Repayments of Lines of Credit	555,300	547,020
Payments of Financing Costs		6,680
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	(990)	(830)
Proceeds from exercise of stock options	5,680	960
Excess tax benefits from stock based compensation	2,310	3,840
Proceeds from Contributions from Affiliates	0	0
Repurchase of senior secured notes	(50,000)	0
Senior secured notes redemption premium	(4,880)
Distributions to noncontrolling interests	(820)	0
Net Cash Provided by (Used in) Financing Activities	39,860	(21,480)
Cash and Cash Equivalents:
(Decrease) Increase for the period	(62,830)	(35,830)
At beginning of period	88,920	46,370
At end of period	26,090	10,540
Parent [Member]
Cash Flows from Operating Activities:
Net cash provided by (used for) operating activities	(12,170)	(12,190)
Cash Flows from Investing Activities:
Capital expenditures	0	0
Acquisition of businesses, net of cash acquired	0	0
Net proceeds from disposition of assets	0	0
Net Cash Provided by (Used in) Investing Activities	0	0
Cash Flows from Financing Activities:
Proceeds from sale of common stock	79,040
Proceeds from borrowings on term loan facilities	0	0
Repayments of borrowings on term loan facilities	0	0
Proceeds from borrowings on revolving credit facilities and accounts receivable facility	0	0
Repayments of Lines of Credit	0	0
Payments of Financing Costs		0
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	(990)	(830)
Proceeds from exercise of stock options	5,680	960
Excess tax benefits from stock based compensation	0	0
Proceeds from Contributions from Affiliates	(16,680)	12,060
Repurchase of senior secured notes	(50,000)
Senior secured notes redemption premium	(4,880)
Distributions to noncontrolling interests	0
Net Cash Provided by (Used in) Financing Activities	12,170	12,190
Cash and Cash Equivalents:
(Decrease) Increase for the period	0	0
At beginning of period	0	0
At end of period	0	0
Guarantor [Member]
Cash Flows from Operating Activities:
Net cash provided by (used for) operating activities	26,100	29,050
Cash Flows from Investing Activities:
Capital expenditures	(23,600)	(14,950)
Acquisition of businesses, net of cash acquired	(62,730)	(27,200)
Net proceeds from disposition of assets	2,790	2,190
Net Cash Provided by (Used in) Investing Activities	(83,540)	(39,960)
Cash Flows from Financing Activities:
Proceeds from sale of common stock	0
Proceeds from borrowings on term loan facilities	0	225,000
Repayments of borrowings on term loan facilities	(6,610)	(249,510)
Proceeds from borrowings on revolving credit facilities and accounts receivable facility	555,300	551,900
Repayments of Lines of Credit	555,300	547,020
Payments of Financing Costs		6,680
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	0	0
Proceeds from exercise of stock options	0	0
Excess tax benefits from stock based compensation	2,310	3,840
Proceeds from Contributions from Affiliates	34,600	18,430
Repurchase of senior secured notes	0
Senior secured notes redemption premium	0
Distributions to noncontrolling interests	(820)
Net Cash Provided by (Used in) Financing Activities	29,480	(4,040)
Cash and Cash Equivalents:
(Decrease) Increase for the period	(27,960)	(14,950)
At beginning of period	33,820	15,070
At end of period	5,860	120
Non-Guarantor [Member]
Cash Flows from Operating Activities:
Net cash provided by (used for) operating activities	1,470	18,690
Cash Flows from Investing Activities:
Capital expenditures	(12,840)	(8,570)
Acquisition of businesses, net of cash acquired	(21,870)	(1,420)
Net proceeds from disposition of assets	160	50
Net Cash Provided by (Used in) Investing Activities	(34,550)	(9,940)
Cash Flows from Financing Activities:
Proceeds from sale of common stock	0
Proceeds from borrowings on term loan facilities	140,370	1,520
Repayments of borrowings on term loan facilities	(124,240)	(660)
Proceeds from borrowings on revolving credit facilities and accounts receivable facility	0	0
Repayments of Lines of Credit	0	0
Payments of Financing Costs		0
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	0	0
Proceeds from exercise of stock options	0	0
Excess tax benefits from stock based compensation	0	0
Proceeds from Contributions from Affiliates	(17,920)	(30,490)
Repurchase of senior secured notes	0
Senior secured notes redemption premium	0
Distributions to noncontrolling interests	0
Net Cash Provided by (Used in) Financing Activities	(1,790)	(29,630)
Cash and Cash Equivalents:
(Decrease) Increase for the period	(34,870)	(20,880)
At beginning of period	55,100	31,300
At end of period	20,230	10,420
Eliminations [Member]
Cash Flows from Operating Activities:
Net cash provided by (used for) operating activities	0	0
Cash Flows from Investing Activities:
Capital expenditures	0	0
Acquisition of businesses, net of cash acquired	0	0
Net proceeds from disposition of assets	0	0
Net Cash Provided by (Used in) Investing Activities	0	0
Cash Flows from Financing Activities:
Proceeds from sale of common stock	0
Proceeds from borrowings on term loan facilities	0	0
Repayments of borrowings on term loan facilities	0	0
Proceeds from borrowings on revolving credit facilities and accounts receivable facility	0	0
Repayments of Lines of Credit	0	0
Payments of Financing Costs		0
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	0	0
Proceeds from exercise of stock options	0	0
Excess tax benefits from stock based compensation	0	0
Proceeds from Contributions from Affiliates	0	0
Repurchase of senior secured notes	0
Senior secured notes redemption premium	0
Distributions to noncontrolling interests	0
Net Cash Provided by (Used in) Financing Activities	0	0
Cash and Cash Equivalents:
(Decrease) Increase for the period	0	0
At beginning of period	0	0
At end of period	$ 0	$ 0

XML

Supplemental Guarantor Condensed Consolidating Financial Information - Supplemental Guarantor Condensed Financial Statements Narrative (Details) (Senior secured notes [Member], USD $) In Millions, unless otherwise specified	Dec. 29, 2009
Senior secured notes [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	9.75%
Debt Instrument, Face Amount	$ 250.0

XML

Equity Awards - Restricted Shares Activity Table (Details) (Restricted Shares [Member], USD $)	9 Months Ended
	Sep. 30, 2012
Restricted Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Number of Unvested Restricted Shares Outstanding, beginning balance	332,043
Number of Unvested Restricted Shares Granted	475,533
Number of Unvested Restricted Shares Vested	(151,027)
Number of Unvested Restricted Shares Cancelled	(13,856)
Number of Unvested Restricted Shares Outstanding, ending balance	642,693
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Unvested Restricted Shares Outstanding, Weighted Average Grant Date Fair Value, beginning	$ 16.25
Unvested Restricted Shares Granted, Weighted Average Grant Date Fair Value	$ 24.30
Unvested Restricted Shares Vested, Weighted Average Grant Date Fair Value	$ 16.77
Unvested Restricted Shares Cancelled, Weighted Average Grant Date Fair Value	$ 23.91
Unvested Restricted Shares Outstanding, Weighted Average Grant Date Fair Value, ending	$ 21.92
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures
Restricted Shares Average Remaining Contractual Life (Years)	1 year 9 months
Restricted Shares Aggregate Intrinsic Value	$ 15,495,328

XML

Supplemental Guarantor Condensed Consolidating Financial Information

9 Months Ended

Sep. 30, 2012

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Supplemental Guarantor Condensed Consolidating Financial Information

Supplemental Guarantor Condensed Consolidating Financial Information

Under an indenture dated December 29, 2009, TriMas Corporation, the parent company ("Parent"), issued its Senior Notes in a total principal amount of $250.0 million (face value). The outstanding Senior Notes are fully and unconditionally guaranteed on a joint and several basis by substantially all of the Company's domestic subsidiaries ("Guarantor Subsidiaries”). The Company's non-domestic subsidiaries and TSPC, Inc. have not guaranteed the Senior Notes ("Non-Guarantor Subsidiaries"). The Guarantor Subsidiaries have also guaranteed amounts outstanding under the Company's Credit Agreement.

The accompanying supplemental guarantor condensed, consolidating financial information is presented using the equity method of accounting for all periods presented. Under this method, investments in subsidiaries are recorded at cost and adjusted for the Company's share in the subsidiaries' cumulative results of operations, capital contributions and distributions and other changes in equity. Elimination entries relate primarily to the elimination of investments in subsidiaries and associated intercompany balances and transactions.

Supplemental Guarantor

Condensed Financial Statements

Consolidating Balance Sheet

(dollars in thousands)

	September 30, 2012
	Parent		Guarantor		Non- Guarantor		Eliminations			Consolidated Total
Assets
Current assets:
Cash and cash equivalents	$	—	$	5,860	$	20,230	$	—		$	26,090
Trade receivables, net	—		147,400		37,640		—			185,040
Receivables, intercompany	—		10,200		—		(10,200		)	—
Inventories	—		163,700		56,750		—			220,450
Deferred income taxes	—		17,320		1,190		—			18,510
Prepaid expenses and other current assets	—		8,590		1,560		—			10,150
Total current assets	—		353,070		117,370		(10,200		)	460,240
Investments in subsidiaries	513,420		170,050		—		(683,470		)	—
Property and equipment, net	—		111,420		68,680		—			180,100
Goodwill	—		204,680		64,580		—			269,260
Intangibles and other assets	4,780		203,640		28,610		(1,340		)	235,690
Total assets	$	518,200	$	1,042,860	$	279,240	$	(695,010	)	$	1,145,290
Liabilities and Shareholders' Equity
Current liabilities:
Current maturities, long-term debt	$	—	$	2,330	$	15,620	$	—		$	17,950
Accounts payable, trade	—		110,260		38,630		—			148,890
Accounts payable, intercompany	—		—		10,200		(10,200		)	—
Accrued liabilities	5,740		60,650		13,090		—			79,480
Total current liabilities	5,740		173,240		77,540		(10,200		)	246,320
Long-term debt	197,020		215,020		—		—			412,040
Deferred income taxes	—		56,760		10,920		(1,340		)	66,340
Other long-term liabilities	—		58,050		20,730		—			78,780
Total liabilities	202,760		503,070		109,190		(11,540		)	803,480
Redeemable noncontrolling interest	—		26,370		—		—			26,370
Total shareholders' equity	315,440		513,420		170,050		(683,470		)	315,440
Total liabilities and shareholders' equity	$	518,200	$	1,042,860	$	279,240	$	(695,010	)	$	1,145,290

Supplemental Guarantor

Condensed Financial Statements

Consolidating Balance Sheet

(dollars in thousands)

	December 31, 2011
	Parent		Guarantor		Non- Guarantor		Eliminations			Consolidated Total
Assets
Current assets:
Cash and cash equivalents	$	—	$	33,820	$	55,100	$	—		$	88,920
Trade receivables, net	—		105,030		30,580		—			135,610
Receivables, intercompany	—		2,290		—		(2,290		)	—
Inventories	—		147,010		31,020		—			178,030
Deferred income taxes	—		17,280		1,230		—			18,510
Prepaid expenses and other current assets	—		8,950		1,670		—			10,620
Total current assets	—		314,380		119,600		(2,290		)	431,690
Investments in subsidiaries	412,840		169,360		—		(582,200		)	—
Property and equipment, net	—		103,880		55,330		—			159,210
Goodwill	—		169,290		46,070		—			215,360
Intangibles and other assets	7,920		169,020		6,350		(3,010		)	180,280
Total assets	$	420,760	$	925,930	$	227,350	$	(587,500	)	$	986,540
Liabilities and Shareholders' Equity
Current liabilities:
Current maturities, long-term debt	$	—	$	7,290	$	—	$	—		$	7,290
Accounts payable, trade	—		115,150		31,780		—			146,930
Accounts payable, intercompany	—		—		2,290		(2,290		)	—
Accrued liabilities	1,080		58,660		10,400		—			70,140
Total current liabilities	1,080		181,100		44,470		(2,290		)	224,360
Long-term debt	245,890		216,720		—		—			462,610
Deferred income taxes	—		61,580		6,210		(3,010		)	64,780
Other long-term liabilities	—		53,690		7,310		—			61,000
Total liabilities	246,970		513,090		57,990		(5,300		)	812,750
Total shareholders' equity	173,790		412,840		169,360		(582,200		)	173,790
Total liabilities and shareholders' equity	$	420,760	$	925,930	$	227,350	$	(587,500	)	$	986,540

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Operations

(dollars in thousands)

	Three Months Ended September 30, 2012
	Parent			Guarantor			Non-Guarantor			Eliminations			Consolidated Total
Net sales	$	—		$	275,570		$	88,220		$	(27,920	)	$	335,870
Cost of sales	—			(201,870		)	(71,780		)	27,920			(245,730		)
Gross profit	—			73,700			16,440			—			90,140
Selling, general and administrative expenses	—			(44,240		)	(9,310		)	—			(53,550		)
Gain (loss) on dispositions of property and equipment	—			(20		)	30			—			10
Operating profit	—			29,440			7,160			—			36,600
Other expense, net:
Interest expense	(5,140		)	(3,620		)	(690		)	—			(9,450		)
Other, net	—			300			(160		)	—			140
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	(5,140		)	26,120			6,310			—			27,290
Income tax (expense) benefit	1,800			(8,160		)	(970		)	—			(7,330		)
Equity in net income of subsidiaries	23,300			5,340			—			(28,640		)	—
Net income	19,960			23,300			5,340			(28,640		)	19,960
Less: Net income attributable to noncontrolling interests	—			1,290			—			—			1,290
Net income attributable to TriMas Corporation	$	19,960		$	22,010		$	5,340		$	(28,640	)	$	18,670

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Operations

(dollars in thousands)

	Three Months Ended September 30, 2011
	Parent			Guarantor			Non-Guarantor			Eliminations			Consolidated Total
Net sales	$	—		$	230,030		$	59,910		$	(12,280	)	$	277,660
Cost of sales	—			(164,480		)	(43,520		)	12,280			(195,720		)
Gross profit	—			65,550			16,390			—			81,940
Selling, general and administrative expenses	—			(39,080		)	(7,090		)	—			(46,170		)
Gain (loss) on dispositions of property and equipment	—			70			(50		)	—			20
Operating profit	—			26,540			9,250			—			35,790
Other income (expense), net:
Interest expense	(6,420		)	(3,660		)	(650		)	—			(10,730		)
Other, net	—			(770		)	1,310			—			540
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	(6,420		)	22,110			9,910			—			25,600
Income tax (expense) benefit	3,330			(9,030		)	(2,920		)	—			(8,620		)
Equity in net income of subsidiaries	21,360			6,990			—			(28,350		)	—
Income from continuing operations	18,270			20,070			6,990			(28,350		)	16,980
Income from discontinued operations, net of income taxes	—			1,290			—			—			1,290
Net income	$	18,270		$	21,360		$	6,990		$	(28,350	)	$	18,270

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Operations

(dollars in thousands)

	Nine Months Ended September 30, 2012
	Parent			Guarantor			Non-Guarantor			Eliminations			Consolidated Total
Net sales	$	—		$	813,000		$	215,870		$	(57,000	)	$	971,870
Cost of sales	—			(593,450		)	(170,480		)	57,000			(706,930		)
Gross profit	—			219,550			45,390			—			264,940
Selling, general and administrative expenses	—			(131,370		)	(25,360		)	—			(156,730		)
Gain on dispositions of property and equipment	—			300			30			—			330
Operating profit	—			88,480			20,060			—			108,540
Other income (expense), net:
Interest expense	(17,750		)	(11,130		)	(1,540		)	—			(30,420		)
Debt extinguishment costs	(6,560		)	—			—			—			(6,560		)
Other, net	—			(3,330		)	920			—			(2,410		)
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	(24,310		)	74,020			19,440			—			69,150
Income tax (expense) benefit	8,510			(24,260		)	(4,020		)	—			(19,770		)
Equity in net income of subsidiaries	65,180			15,420			—			(80,600		)	—
Net income	49,380			65,180			15,420			(80,600		)	49,380
Less: Net income attributable to noncontrolling interests	—			1,560			—			—			1,560
Net income attributable to TriMas Corporation	$	49,380		$	63,620		$	15,420		$	(80,600	)	$	47,820

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Operations

(dollars in thousands)

	Nine Months Ended September 30, 2011
	Parent			Guarantor			Non-Guarantor			Eliminations			Consolidated Total
Net sales	$	—		$	687,770		$	171,000		$	(34,460	)	$	824,310
Cost of sales	—			(490,760		)	(125,960		)	34,460			(582,260		)
Gross profit	—			197,010			45,040			—			242,050
Selling, general and administrative expenses	—			(114,890		)	(22,290		)	—			(137,180		)
Gain (loss) on dispositions of property and equipment	—			80			(30		)	—			50
Operating profit	—			82,200			22,720			—			104,920
Other income (expense), net:
Interest expense	(19,250		)	(13,320		)	(1,800		)	—			(34,370		)
Debt extinguishment costs	—			(3,970		)	—			—			(3,970		)
Other, net	—			(5,180		)	4,010			—			(1,170		)
Income (loss) from continuing operations before income tax (expense) benefit and equity in net income of subsidiaries	(19,250		)	59,730			24,930			—			65,410
Income tax (expense) benefit	7,820			(21,510		)	(8,040		)	—			(21,730		)
Equity in net income of subsidiaries	58,540			16,890			—			(75,430		)	—
Income from continuing operations	47,110			55,110			16,890			(75,430		)	43,680
Income from discontinued operations, net of income taxes	—			3,430			—			—			3,430
Net income	$	47,110		$	58,540		$	16,890		$	(75,430	)	$	47,110

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Comprehensive Income

(dollars in thousands)

	Three Months Ended September 30, 2012
	Parent		Guarantor			Non-Guarantor		Eliminations			Consolidated Total
Net income	$	19,960	$	23,300		$	5,340	$	(28,640	)	$	19,960
Other comprehensive income:
Amortization of defined benefit plan deferred (gains) losses, net of tax	—		(820		)	80		—			(740		)
Foreign currency translation	—		—			3,040		—			3,040
Net changes in unrealized (gain) loss on derivative instruments, net of tax	—		(140		)	60		—			(80		)
Total other comprehensive loss	—		(960		)	3,180		—			2,220
Total comprehensive income	19,960		22,340			8,520		(28,640		)	22,180
Less: Net income attributable to noncontrolling interests	—		1,290			—		—			1,290
Total comprehensive income attributable to TriMas Corporation	$	19,960	$	21,050		$	8,520	$	(28,640	)	$	20,890

	Three Months Ended September 30, 2011
	Parent		Guarantor		Non-Guarantor			Eliminations			Consolidated Total
Net income	$	18,270	$	21,360	$	6,990		$	(28,350	)	$	18,270
Other comprehensive income:
Amortization of defined benefit plan deferred losses, net of tax	—		30		30			—			60
Foreign currency translation	—		—		(11,340		)	—			(11,340		)
Total other comprehensive income (loss)	—		30		(11,310		)	—			(11,280		)
Total comprehensive income	$	18,270	$	21,390	$	(4,320	)	$	(28,350	)	$	6,990

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Comprehensive Income

(dollars in thousands)

	Nine Months Ended September 30, 2012
	Parent		Guarantor			Non-Guarantor		Eliminations			Consolidated Total
Net income	$	49,380	$	65,180		$	15,420	$	(80,600	)	$	49,380
Other comprehensive income
Amortization of defined benefit plan deferred (gains) losses, net of tax	—		(700		)	170		—			(530		)
Foreign currency translation	—		—			2,680		—			2,680
Net changes in unrealized gain on derivative instruments, net of tax	—		(1,000		)	—		—			(1,000		)
Total other comprehensive loss	—		(1,700		)	2,850		—			1,150
Total comprehensive income	49,380		63,480			18,270		(80,600		)	50,530
Less: Net income attributable to noncontrolling interests	—		1,560			—		—			1,560
Total comprehensive income attributable to TriMas Corporation	$	49,380	$	61,920		$	18,270	$	(80,600	)	$	48,970

	Nine Months Ended September 30, 2011
	Parent		Guarantor		Non-Guarantor			Eliminations			Consolidated Total
Net income	$	47,110	$	58,540	$	16,890		$	(75,430	)	$	47,110
Other comprehensive income
Amortization of defined benefit plan deferred losses, net of tax	—		90		80			—			170
Foreign currency translation	—		—		(3,990		)	—			(3,990		)
Net changes in unrealized loss on derivative instruments, net of tax	—		230		—			—			230
Total other comprehensive income (loss)	—		320		(3,910		)	—			(3,590		)
Total comprehensive income	$	47,110	$	58,860	$	12,980		$	(75,430	)	$	43,520

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Cash Flows

(dollars in thousands)

	Nine Months Ended September 30, 2012
	Parent			Guarantor			Non-Guarantor			Eliminations		Consolidated Total
Cash Flows from Operating Activities:
Net cash provided by (used for) operating activities	$	(12,170	)	$	26,100		$	1,470		$	—	15,400
Cash Flows from Investing Activities:
Capital expenditures	—			(23,600		)	(12,840		)	—		(36,440		)
Acquisition of businesses, net of cash acquired	—			(62,730		)	(21,870		)	—		(84,600		)
Net proceeds from disposition of assets	—			2,790			160			—		2,950
Net cash used for investing activities	—			(83,540		)	(34,550		)	—		(118,090		)
Cash Flows from Financing Activities:
Proceeds from sale of common stock in connection with the Company's equity offering, net of issuance costs	79,040			—			—			—		79,040
Proceeds from borrowings on term loan facilities	—			—			140,370			—		140,370
Repayments of borrowings on term loan facilities	—			(6,610		)	(124,240		)	—		(130,850		)
Proceeds from borrowings on revolving credit facilities and accounts receivable facility	—			555,300			—			—		555,300
Repayments of borrowings on revolving credit facilities and accounts receivable facility	—			(555,300		)	—			—		(555,300		)
Repurchase of 9¾% senior secured notes	(50,000		)	—			—			—		(50,000		)
Senior secured notes redemption premium	(4,880		)	—			—			—		(4,880		)
Distributions to noncontrolling interests	—			(820		)	—			—		(820		)
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	(990		)	—			—			—		(990		)
Proceeds from exercise of stock options	5,680			—			—			—		5,680
Excess tax benefits from stock based compensation	—			2,310			—			—		2,310
Intercompany transfers (to) from subsidiaries	(16,680		)	34,600			(17,920		)	—		—
Net cash provided by (used for) financing activities	12,170			29,480			(1,790		)	—		39,860
Cash and Cash Equivalents:
Decrease for the period	—			(27,960		)	(34,870		)	—		(62,830		)
At beginning of period	—			33,820			55,100			—		88,920
At end of period	$	—		$	5,860		$	20,230		$	—	$	26,090

Supplemental Guarantor

Condensed Financial Statements

Consolidating Statement of Cash Flows

(dollars in thousands)

	Nine Months Ended September 30, 2011
	Parent			Guarantor			Non-Guarantor			Eliminations		Consolidated Total
Cash Flows from Operating Activities:
Net cash provided by (used for) operating activities	$	(12,190	)	$	29,050		$	18,690		$	—	$	35,550
Cash Flows from Investing Activities:
Capital expenditures	—			(14,950		)	(8,570		)	—		(23,520		)
Acquisition of businesses, net of cash acquired	—			(27,200		)	(1,420		)	—		(28,620		)
Net proceeds from disposition of assets	—			2,190			50			—		2,240
Net cash used for investing activities	—			(39,960		)	(9,940		)	—		(49,900		)
Cash Flows from Financing Activities:
Proceeds from borrowings on term loan facilities	—			225,000			1,520			—		226,520
Repayments of borrowings on term loan facilities	—			(249,510		)	(660		)	—		(250,170		)
Proceeds from borrowings on revolving credit facilities and accounts receivable facility	—			551,900			—			—		551,900
Repayments of borrowings on revolving credit facilities and accounts receivable facility	—			(547,020		)	—			—		(547,020		)
Debt financing fees	—			(6,680		)	—			—		(6,680		)
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	(830		)	—			—			—		(830		)
Proceeds from exercise of stock options	960			—			—			—		960
Excess tax benefits from stock based compensation	—			3,840			—			—		3,840
Intercompany transfers (to) from subsidiaries	12,060			18,430			(30,490		)	—		—
Net cash provided by (used for) financing activities	12,190			(4,040		)	(29,630		)	—		(21,480		)
Cash and Cash Equivalents:
Decrease for the period	—			(14,950		)	(20,880		)	—		(35,830		)
At beginning of period	—			15,070			31,300			—		46,370
At end of period	$	—		$	120		$	10,420		$	—	$	10,540

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Goodwill and Other Intangible Assets - Schedule of Intangible Assets (excluding Goodwill) by Major Class (Details) (USD $) In Thousands, unless otherwise specified																	9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 Trademarks and Trade Names [Member]	Dec. 31, 2011 Trademarks and Trade Names [Member]	Sep. 30, 2012 Customer Relationships [Member]	Dec. 31, 2011 Customer Relationships [Member]	Sep. 30, 2012 Technology and Other [Member]	Dec. 31, 2011 Technology and Other [Member]	Sep. 30, 2012 Useful Life Five to Twelve Years [Member] Customer Relationships [Member]	Dec. 31, 2011 Useful Life Five to Twelve Years [Member] Customer Relationships [Member]	Sep. 30, 2012 Useful Life Fifteen to Twentyfive Years [Member] Customer Relationships [Member]	Dec. 31, 2011 Useful Life Fifteen to Twentyfive Years [Member] Customer Relationships [Member]	Sep. 30, 2012 Useful Life One to Fifteen Years [Member] Technology and Other [Member]	Dec. 31, 2011 Useful Life One to Fifteen Years [Member] Technology and Other [Member]	Sep. 30, 2012 Useful Life Seventeen to Thirty Years [Member] Technology and Other [Member]	Dec. 31, 2011 Useful Life Seventeen to Thirty Years [Member] Technology and Other [Member]	Sep. 30, 2012 Minimum [Member]	Sep. 30, 2012 Minimum [Member] Useful Life Five to Twelve Years [Member] Customer Relationships [Member]	Sep. 30, 2012 Minimum [Member] Useful Life Fifteen to Twentyfive Years [Member] Customer Relationships [Member]	Sep. 30, 2012 Minimum [Member] Useful Life One to Fifteen Years [Member] Technology and Other [Member]	Sep. 30, 2012 Minimum [Member] Useful Life Seventeen to Thirty Years [Member] Technology and Other [Member]	Sep. 30, 2012 Maximum [Member]	Sep. 30, 2012 Maximum [Member] Useful Life Five to Twelve Years [Member] Customer Relationships [Member]	Sep. 30, 2012 Maximum [Member] Useful Life Fifteen to Twentyfive Years [Member] Customer Relationships [Member]	Sep. 30, 2012 Maximum [Member] Useful Life One to Fifteen Years [Member] Technology and Other [Member]	Sep. 30, 2012 Maximum [Member] Useful Life Seventeen to Thirty Years [Member] Technology and Other [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-Lived Intangible Assets, Useful Life																	1 year	5 years	15 years	1 year	17 years	30 years	12 years	25 years	15 years	30 years
Finite-lived intangible assets, gross carrying amount					$ 239,200	$ 192,010	$ 80,450	$ 73,000	$ 84,590	$ 37,400	$ 154,610	$ 154,610	$ 36,680	$ 29,360	$ 43,770	$ 43,640
Finite-lived intangible assets, accumulated amortization	(160,040)	(145,710)			(111,970)	(101,140)	(48,070)	(44,570)	(28,070)	(23,410)	(83,900)	(77,730)	(25,550)	(23,710)	(22,520)	(20,860)
Indefinite-lived intangible assets, gross carrying amount			49,300	36,370
Total finite and indefinite-lived other intangible assets, gross carrying amount	$ 368,950	$ 301,380

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Discontinued Operations and Assets Held for Sale - Results of Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Discontinued Operations and Disposal Groups [Abstract]
Net sales	$ 0	$ 11,930	$ 0	$ 34,670
Income from discontinued operations before income tax expense	0	2,050	0	5,450
Income tax expense	0	(760)	0	(2,020)
Income from discontinued operations, net of income tax expense	$ 0	$ 1,290	$ 0	$ 3,430

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Defined Benefit Plans - Defined Benefit Plans Narrative (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments	$ 1.5
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer	1.0	5.5
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year	$ 5.8	$ 5.8

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Defined Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2012

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of Costs of Retirement Plans

The components of net periodic pension and postretirement benefit costs for the three and nine months ended September 30, 2012 and 2011 are as follows:

	Pension Plans												Other Postretirement Benefits
	Three months ended September 30,						Nine months ended September 30,						Three months ended September 30,						Nine months ended September 30,
	2012			2011			2012			2011			2012			2011			2012			2011
	(dollars in thousands)
Service costs	$	150		$	160		$	450		$	480		$	—		$	—		$	—		$	—
Interest costs	410			400			1,210			1,200			20			10			40			30
Expected return on plan assets	(430		)	(400		)	(1,280		)	(1,210		)	—			—			—			—
Amortization of prior service cost	—			—			10			10			(70		)	(70		)	(200		)	(200		)
Settlement/curtailment (gain)	—			—			—			—			(1,490		)	—			(1,490		)	—
Amortization of net (gain)/loss	260			180			790			530			(20		)	(20		)	(60		)	(60		)
Net periodic benefit cost	$	390		$	340		$	1,180		$	1,010		$	(1,560	)	$	(80	)	$	(1,710	)	$	(230	)

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Inventories (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Inventory Disclosure [Abstract]
Finished goods	$ 146,340	$ 119,020
Work in process	28,360	21,730
Raw materials	45,750	37,280
Total inventories	$ 220,450	$ 178,030

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Commitments and Contingencies - Asbestos Damages Sought (Details) (Asbestos [Member], USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Compensatory and Punitive Damages [Member] | Range 1 [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	$ 0.2
Compensatory and Punitive Damages [Member] | Range 1 [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	5.0
Compensatory and Punitive Damages [Member] | Range 2 [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	5.0
Compensatory and Punitive Damages [Member] | Range 2 [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	10.0
Compensatory and Punitive Damages [Member] | Range 3 [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	10.0
Compensatory Only Damages [Member] | Range 1 [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	0.1
Compensatory Only Damages [Member] | Range 1 [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	0.6
Compensatory Only Damages [Member] | Range 2 [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	0.6
Compensatory Only Damages [Member] | Range 2 [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	5.0
Compensatory Only Damages [Member] | Range 3 [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	5.0
Punitive Only Damages [Member] | Range 1 [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	0
Punitive Only Damages [Member] | Range 1 [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	2.5
Punitive Only Damages [Member] | Range 2 [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	2.5
Punitive Only Damages [Member] | Range 2 [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	5.0
Punitive Only Damages [Member] | Range 3 [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Specified amount of damages sought	$ 5.0
Pending Litigation [Member]
Loss Contingencies [Line Items]
Number of pending claims seeking specific amounts of damages	76
Pending Litigation [Member] | Compensatory and Punitive Damages [Member] | Range 1 [Member]
Loss Contingencies [Line Items]
Number of pending claims seeking specific amounts of damages	57
Pending Litigation [Member] | Compensatory and Punitive Damages [Member] | Range 2 [Member]
Loss Contingencies [Line Items]
Number of pending claims seeking specific amounts of damages	15
Pending Litigation [Member] | Compensatory and Punitive Damages [Member] | Range 3 [Member]
Loss Contingencies [Line Items]
Number of pending claims seeking specific amounts of damages	4
Pending Litigation [Member] | Compensatory Only Damages [Member] | Range 1 [Member]
Loss Contingencies [Line Items]
Number of pending claims seeking specific amounts of damages	51
Pending Litigation [Member] | Compensatory Only Damages [Member] | Range 2 [Member]
Loss Contingencies [Line Items]
Number of pending claims seeking specific amounts of damages	22
Pending Litigation [Member] | Compensatory Only Damages [Member] | Range 3 [Member]
Loss Contingencies [Line Items]
Number of pending claims seeking specific amounts of damages	3
Pending Litigation [Member] | Punitive Only Damages [Member] | Range 1 [Member]
Loss Contingencies [Line Items]
Number of pending claims seeking specific amounts of damages	57
Pending Litigation [Member] | Punitive Only Damages [Member] | Range 2 [Member]
Loss Contingencies [Line Items]
Number of pending claims seeking specific amounts of damages	15
Pending Litigation [Member] | Punitive Only Damages [Member] | Range 3 [Member]
Loss Contingencies [Line Items]
Number of pending claims seeking specific amounts of damages	4

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Derivative Instruments - Designated as hedging, Financial Position (Details) (Designated as Hedging Instrument [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 0	$ 0
Liability Derivatives	1,610	0
Interest Rate Swap [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives	0	0
Liability Derivatives	550	0
Interest Rate Swap [Member] | Other long-term liabilities [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives	0	0
Liability Derivatives	$ 1,060	$ 0

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Acquisitions - Pro Forma (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Business Acquisition, Pro Forma Information [Abstract]
Net Sales	$ 335,870	[1]	$ 295,080	[1]	$ 979,900	[1]	$ 867,310	[1]
Net income (loss) attributable to TriMas Corporation	$ 18,670	[1]	$ 19,390	[1]	$ 49,790	[1]	$ 45,420	[1]

[1] The supplemental pro forma results from continuing operations reflect certain adjustments, such as adjustments for acquisition costs incurred and purchase accounting adjustments related to step-up in value and subsequent amortization of inventory and intangible assets.

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Basis of Presentation

9 Months Ended

Sep. 30, 2012

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

TriMas Corporation ("TriMas" or the "Company"), and its consolidated subsidiaries, is a global manufacturer and distributor of products for commercial, industrial and consumer markets. The Company is principally engaged in the following reportable segments with diverse products and market channels: Packaging, Energy, Aerospace & Defense, Engineered Components, Cequent Asia Pacific and Cequent Americas. The Company renamed its former "Cequent North America" reportable segment "Cequent Americas" effective in the third quarter of 2012 following an acquisition in Brazil to more appropriately reflect the expanding geography covered by the businesses in this reportable segment. See Note 11, "Segment Information," for further information on each of the Company's reportable segments.

The accompanying consolidated financial statements include the accounts of the Company and its subsidiaries and in the opinion of management, contain all adjustments, including adjustments of a normal and recurring nature, necessary for a fair presentation of financial position and results of operations. Results of operations for interim periods are not necessarily indicative of results for the full year. Certain prior year amounts have been reclassified to conform with the current year presentation. The accompanying consolidated financial statements and notes thereto should be read in conjunction with the Company's 2011 Annual Report on Form 10-K.

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Derivative Instruments - Designated as hedging, Financial Performance (Details) (Interest Rate Swap [Member], Designated as Hedging Instrument [Member], USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 Interest Expense [Member]	Sep. 30, 2011 Interest Expense [Member]	Sep. 30, 2012 Interest Expense [Member]	Sep. 30, 2011 Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Recognized in AOCI on Derivative (Effective Portion, net of tax)	$ (1,000)	$ 0
Amount of Loss Reclassified from AOCI into Earnings			$ (140)	$ 0	$ (250)	$ (360)

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Acquisitions - Overview (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2012	Feb. 23, 2012
Redeemable Noncontrolling Interest by Exercise Period [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired				70.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners			30.00%
Business Combination, Acquisition Related Costs	$ 1,000,000	$ 300,000	$ 1,300,000
First Exercise Period [Member]
Redeemable Noncontrolling Interest by Exercise Period [Line Items]
Redeemable Noncontrolling Interest, Put or Call Option			10.00%
Second Exercise Period [Member]
Redeemable Noncontrolling Interest by Exercise Period [Line Items]
Redeemable Noncontrolling Interest, Put or Call Option			10.00%
Business Acquisition, Arminak & Associates [Member]
Redeemable Noncontrolling Interest by Exercise Period [Line Items]
Business Combination, Purchase Price				67,690,000

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Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill for the nine months ended September 30, 2012 are summarized as follows:

	Packaging		Energy		Aerospace & Defense		Engineered Components		Cequent Asia Pacific		Cequent Americas		Total
	(dollars in thousands)
Balance, December 31, 2011	$	122,330	$	48,720	$	41,130	$	3,180	$	—	$	—	$	215,360
Goodwill from acquisitions	35,390		14,200		—		—		—		3,500		53,090
Foreign currency translation	590		220		—		—		—		—		810
Balance, September 30, 2012	$	158,310	$	63,140	$	41,130	$	3,180	$	—	$	3,500	$	269,260

Schedule of Intangible Assets (excluding Goodwill) by Major Class

The gross carrying amounts and accumulated amortization of the Company's other intangibles as of September 30, 2012 and December 31, 2011 are summarized below. The Company amortizes these assets over periods ranging from 1 to 30 years.

	As of September 30, 2012					As of December 31, 2011
Intangible Category by Useful Life	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(dollars in thousands)
Finite-lived intangible assets:
Customer relationships, 5 – 12 years	$	84,590	$	(28,070	)	$	37,400	$	(23,410	)
Customer relationships, 15 – 25 years	154,610		(83,900		)	154,610		(77,730		)
Total customer relationships	239,200		(111,970		)	192,010		(101,140		)
Technology and other, 1 – 15 years	36,680		(25,550		)	29,360		(23,710		)
Technology and other, 17 – 30 years	43,770		(22,520		)	43,640		(20,860		)
Total technology and other	80,450		(48,070		)	73,000		(44,570		)
Indefinite-lived intangible assets:
Trademark/Trade names	49,300		—			36,370		—
Total other intangible assets	$	368,950	$	(160,040	)	$	301,380	$	(145,710	)

Schedule of Finite-Lived Intangible Assets, Amortization Expense

Amortization expense related to intangible assets as included in the accompanying consolidated statement of operations is summarized as follows:

	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
	(dollars in thousands)
Technology and other, included in cost of sales	$	1,270	$	950	$	3,620	$	2,590
Customer relationships, included in selling, general and administrative expenses	4,000		2,790		10,840		8,190
Total amortization expense	$	5,270	$	3,740	$	14,460	$	10,780

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Acquisitions (Tables)

9 Months Ended

Sep. 30, 2012

Business Combinations [Abstract]

Redeemable Noncontrolling Interest

Changes in the carrying amount of redeemable noncontrolling interest are summarized as follows:

	Nine months ended September 30, 2012
	(dollars in thousands)
Beginning balance, February 24, 2012	$	25,630
Distributions to noncontrolling interests	(820		)
Net income attributable to noncontrolling interests	1,560
Ending balance, September 30, 2012	$	26,370

Schedule of Purchase Price Allocation

The following table summarizes the fair value of consideration paid for Arminak, and the assets acquired and liabilities assumed, as well as the fair value of the noncontrolling interest in Arminak at the acquisition date. During the third quarter of 2012, the Company finalized the net working capital adjustment, which increased the total consideration by approximately $0.3 million, and made certain other insignificant measurement period adjustments to provisional amounts recognized at the acquisition date.

	(dollars in thousands)
Consideration
Initial cash paid net of working capital adjustment	$	59,200
Contingent consideration (a)	8,490
Total consideration	$	67,690
Recognized amounts of identifiable assets acquired and liabilities assumed
Receivables	$	8,760
Inventories	4,200
Intangible assets other than goodwill (b)	48,400
Other assets	2,450
Accounts payable and accrued liabilities	(4,270		)
Long-term liabilities	(1,610		)
Total identifiable net assets	57,930
Redeemable noncontrolling interests	(25,630		)
Goodwill (c)	35,390
	$	67,690

__________________________

^(a) The contingent consideration represented the Company's best estimate, based on its review, at the time of purchase, of the underlying potential obligations estimated at a range of $8 million to $9 million, of certain Seller tax-related liabilities for which the Company has indemnified the Sellers as part of the purchase agreement. During the second and third quarters of 2012, the Company paid $3.7 million of additional purchase price related to the contingent consideration. The remaining liability range of $4.3 million to $5.3 million continues to represent the Company's best estimate of the remaining potential obligation at September 30, 2012.

^(b) Consists of $33.0 million of customer relationships with an estimated 10 year useful life, $7.9 million of trademarks/trade names with an indefinite useful life and $7.5 million of technology and other intangible assets with an estimated 8 year useful life.

^(c) All of the goodwill was assigned to the Company's Packaging reportable segment and is expected to be deductible for tax purposes.

Business Combination, Results Of Operations Of Acquiree Since Acquisition

The results of operations of Arminak are included in the Company's results beginning February 24, 2012. The actual amounts of net sales and net income of Arminak included in the accompanying consolidated statement of operations are summarized as follows:

	Three months ended September 30, 2012		Nine months ended September 30, 2012
	(dollars in thousands)
Net sales	$	23,640	$	45,000
Net income	$	4,310	$	5,210

Business Acquisition, Pro Forma Information

The following table summarizes the supplemental pro forma results of the combined entity as if the acquisition had occurred on January 1, 2011. The supplemental pro forma information presented below is for informational purposes and is not necessarily indicative of either future results of operations or results that might have been achieved had the acquisition been consummated on January 1, 2011:

	Pro forma Combined (a)
	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
	(dollars in thousands)
Net sales	$	335,870	$	295,080	$	979,900	$	867,310
Net income attributable to TriMas Corporation	$	18,670	$	19,390	$	49,790	$	45,420

___________________________

^(a) The supplemental pro forma results from continuing operations reflect certain adjustments, such as adjustments for acquisition costs incurred and purchase accounting adjustments related to step-up in value and subsequent amortization of inventory and intangible assets.

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Long-term Debt - U.S. Bank Debt (Details) (USD $)	9 Months Ended					9 Months Ended							9 Months Ended			9 Months Ended
	Sep. 30, 2011	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 U.S. bank debt and receivables facility [Member]	Dec. 31, 2011 U.S. bank debt and receivables facility [Member]	Sep. 30, 2011 Revolving credit and term loan facilities [Member]	Sep. 30, 2012 Term loan facility [Member]	Sep. 30, 2011 Revolving credit facility [Member]	Sep. 30, 2012 Revolving credit facility [Member]	Dec. 31, 2011 Revolving credit facility [Member]	Sep. 30, 2012 Letters of credit [Member]	Dec. 31, 2011 Letters of credit [Member]	Sep. 30, 2011 Parent [Member]	Sep. 30, 2012 Parent [Member]	Dec. 31, 2011 Parent [Member]	Sep. 30, 2011 Refinancing of Debt [Member] Revolving credit and term loan facilities [Member]	Sep. 30, 2012 Fair Value, Inputs, Level 2 [Member] Term loan facility [Member]	Dec. 31, 2011 Fair Value, Inputs, Level 2 [Member] Term loan facility [Member]
Debt Instrument [Line Items]
Revolving Credit Facility, Maximum Borrowing Capacity									$ 125,000,000
Interest rate, LIBOR plus							3.00%		3.25%
Debt Instrument, Face Amount							225,000,000
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum							1.25%
Term Loan Facility, Required Prepay Portion Under Excess Cash Flow Sweep Provision [Line Items]							5,000,000
Letters of Credit, Maximum Borrowing Capacity											50,000,000
Letters of Credit Outstanding, Amount											23,300,000	23,900,000
Revolving Credit Facility, Amount Outstanding									0	0
Revolving Credit Facility, Remaining Borrowing Capacity									101,700,000	101,100,000
Debt Instrument, Unused Borrowing Capacity, Amount				191,100,000	158,800,000
Investments in subsidiaries		0	0											513,420,000	412,840,000
Payments of Financing Costs	6,680,000					6,600,000							0
Deferred Finance Costs, Noncurrent, Net																4,200,000
Debt Issuance Cost																2,400,000
Write off of Deferred Debt Issuance Cost								$ 1,600,000
Long-term Debt, Fair Value, % of par value																	99.80%	99.00%

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Acquisitions - Redeemable Noncontrolling Interest (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		7 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Feb. 23, 2012 Fair Value, Inputs, Level 3 [Member]
Redeemable Noncontrolling Interest [Line Items]
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value							$ 25,630
Distributions to noncontrolling interests			(820)
Net income attributable to redeemable noncontrolling interests	1,290	0	1,560	1,560	0
Redeemable noncontrolling interest, ending balance	$ 26,370		$ 26,370	$ 26,370		$ 0

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Inventories (Tables)

9 Months Ended

Sep. 30, 2012

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories consist of the following components:

	September 30, 2012		December 31, 2011
	(dollars in thousands)
Finished goods	$	146,340	$	119,020
Work in process	28,360		21,730
Raw materials	45,750		37,280
Total inventories	$	220,450	$	178,030

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Property and Equipment, Net (Tables)

9 Months Ended

Sep. 30, 2012

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and equipment consists of the following components:

	September 30, 2012		December 31, 2011
	(dollars in thousands)
Land and land improvements	$	5,840	$	5,740
Buildings	57,190		51,480
Machinery and equipment	325,600		291,960
	388,630		349,180
Less: Accumulated depreciation	208,530		189,970
Property and equipment, net	$	180,100	$	159,210

Depreciation Expense

Depreciation expense as included in the accompanying consolidated statement of operations is as follows:

	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
	(dollars in thousands)
Depreciation expense, included in cost of sales	$	5,400	$	5,260	$	16,420	$	15,300
Depreciation expense, included in selling, general and administrative expense	900		730		2,570		2,200
Total depreciation expense	$	6,300	$	5,990	$	18,990	$	17,500

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Consolidated Statement of Shareholders' Equity Statement (USD $) In Thousands	Total	Common Stock [Member]	Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income [Member]
Balances at Dec. 31, 2011	$ 173,790	$ 350	$ 538,610	$ (404,750)	$ 39,580
Net income attributable to TriMas Corporation	47,820			47,820
Other comprehensive income	1,150				1,150
Proceeds from sale of common stock	79,040	40	79,000
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	(990)		(990)
Stock option exercises and restricted stock vesting	5,680		5,680
Excess tax benefits from stock based compensation	2,310		2,310
Non-cash compensation expense	6,640		6,640
Balances at Sep. 30, 2012	$ 315,440	$ 390	$ 631,250	$ (356,930)	$ 40,730

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Long-term Debt (Tables)

9 Months Ended

Sep. 30, 2012

Debt Disclosure [Abstract]

Schedule of Debt

The Company's long-term debt consists of the following:

	September 30, 2012		December 31, 2011
	(dollars in thousands)
U.S. bank debt and receivables facility	$	217,190	$	223,870
Non-U.S. bank debt and other	15,780		140
9¾% senior secured notes, due December 2017	197,020		245,890
	429,990		469,900
Less: Current maturities, long-term debt	17,950		7,290
Long-term debt	$	412,040	$	462,610

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Equity Offering (Details) (USD $)	9 Months Ended				9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Senior secured notes [Member]	Dec. 29, 2009 Senior secured notes [Member]	Sep. 30, 2012 Issuance of Equity [Member] Senior secured notes [Member]	Sep. 30, 2012 Common Stock [Member] Issuance of Equity [Member]	May 08, 2012 Common Stock [Member] Issuance of Equity [Member]
Equity Offering [Line Items]
Stock Issued During Period, Shares, New Issues						4,000,000
Stock Issued During Period, Value, Per Share Offering Price							$ 20.75
Stock Issuance Costs						$ 4,000,000
Proceeds from sale of common stock	79,040,000	0				79,000,000
Proceeds Used for Early Extinguishment of Debt					54,900,000
Debt Instrument, Interest Rate, Stated Percentage				9.75%
Extinguishment of Debt, Amount			$ 50,000,000

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Property and Equipment, Net - Property and Equipment Table (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 388,630	$ 349,180
Less: Accumulated depreciation	208,530	189,970
Property and equipment, net	180,100	159,210
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,840	5,740
Building [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	57,190	51,480
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 325,600	$ 291,960

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Equity Awards - Restricted Shares Narrative (Details) (USD $)	3 Months Ended		9 Months Ended			3 Months Ended			3 Months Ended
	Sep. 30, 2012 Restricted Shares [Member]	Sep. 30, 2011 Restricted Shares [Member]	Sep. 30, 2012 Restricted Shares [Member]	Sep. 30, 2011 Restricted Shares [Member]	Sep. 30, 2012 Restricted Shares [Member] Non-employee independent director [Member] Deferred Compensation, Share-based Payments [Member]	Mar. 31, 2012 Plan 1 [Member] Service-based restriced shares [Member]	Mar. 31, 2012 Plan 2 [Member] Service-based restriced shares [Member]	Sep. 30, 2012 Plan 3 [Member] number	Mar. 31, 2012 Plan 3 [Member] Restricted Shares [Member]	Mar. 31, 2012 Plan 3 [Member] Service-based restriced shares [Member]	Mar. 31, 2012 Plan 3 [Member] Performance-based restriced shares [Member]	Mar. 31, 2012 Plan 4 [Member] Performance-based restriced shares [Member]	Mar. 31, 2012 Plan 5 [Member] Service-based restriced shares [Member]	Mar. 31, 2012 Plan 5 [Member] Service-based restriced shares [Member] Non-employee independent director [Member]	Mar. 31, 2012 Minimum [Member] Plan 2 [Member] Service-based restriced shares [Member]	Mar. 31, 2012 Minimum [Member] Plan 4 [Member] Performance-based restriced shares [Member]	Mar. 31, 2012 Maximum [Member] Plan 4 [Member] Performance-based restriced shares [Member]	Mar. 31, 2012 3 year cash flow metric [Member] Plan 3 [Member] Performance-based restriced shares [Member]	Mar. 31, 2012 3 year cash flow metric [Member] Minimum [Member] Plan 3 [Member] Performance-based restriced shares [Member]	Mar. 31, 2012 3 year cash flow metric [Member] Maximum [Member] Plan 3 [Member] Performance-based restriced shares [Member]	Mar. 31, 2012 3 year EPS CAGR metric [Member] Plan 3 [Member] Performance-based restriced shares [Member]	Mar. 31, 2012 3 year EPS CAGR metric [Member] Minimum [Member] Plan 3 [Member] Performance-based restriced shares [Member]	Mar. 31, 2012 3 year EPS CAGR metric [Member] Maximum [Member] Plan 3 [Member] Performance-based restriced shares [Member]	Mar. 31, 2012 2012 EPS growth metric [Member] Plan 4 [Member] Performance-based restriced shares [Member]	Mar. 31, 2012 2012 & 2013 EPS CAGR metric [Member] Plan 4 [Member] Performance-based restriced shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares issued related to director fee deferrals					6,302
Number of Unvested Restricted Shares Granted			475,533			19,532	60,665		206,064	103,032,000	103,032,000	166,530		16,440
Award requisite service period						3 years	1 year			3 years			1 year
ICP, Threshold target for granting stock awards															$ 20,000
Cash value of incentive plan							80.00%
Restriced shares value of incentive plan							20.00%
Award vesting period											3 years
Award percentage earned based on metric over the performance period																		25.00%			75.00%			60.00%	40.00%
Number of performance metrics in restricted shares award type plan								2
Amount of shares earned % of target award																30.00%	250.00%		30.00%	200.00%		30.00%	250.00%
Unrecognized unvested restricted shares-based compensation expense	8,800,000		8,800,000
Weighted-average period for recognition of the unrecognized unvested restricted shares-based compensation expense			1 year 7 months
Restricted shares-based compensation expense	$ 6,200,000	$ 2,400,000	$ 2,700,000	$ 800,000

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Consolidated Balance Sheet Statement (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 26,090	$ 88,920
Receivables, net of reserves	185,040	135,610
Inventories	220,450	178,030
Deferred income taxes	18,510	18,510
Prepaid expenses and other current assets	10,150	10,620
Total current assets	460,240	431,690
Property and equipment, net	180,100	159,210
Goodwill	269,260	215,360
Other intangibles, net	208,910	155,670
Other assets	26,780	24,610
Total assets	1,145,290	986,540
Current liabilities:
Current maturities, long-term debt	17,950	7,290
Accounts payable	148,890	146,930
Accrued liabilities	79,480	70,140
Total current liabilities	246,320	224,360
Long-term debt	412,040	462,610
Deferred income taxes	66,340	64,780
Other long-term liabilities	78,780	61,000
Total liabilities	803,480	812,750
Redeemable noncontrolling interest	26,370	0
Preferred stock $0.01 par: Authorized 100,000,000 shares; Issued and outstanding: None	0	0
Common stock, $0.01 par: Authorized 400,000,000 shares; Issued and outstanding: 39,299,544 shares at September 30, 2012 and 34,613,607 shares at December 31, 2011	390	350
Paid-in capital	631,250	538,610
Accumulated deficit	(356,930)	(404,750)
Accumulated other comprehensive income	40,730	39,580
Total shareholders' equity	315,440	173,790
Total liabilities and shareholders' equity	$ 1,145,290	$ 986,540

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Acquisitions - Purchase Price Allocation (Details) (USD $)			7 Months Ended				7 Months Ended		7 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 Business Acquisition, Arminak & Associates [Member]	Feb. 23, 2012 Business Acquisition, Arminak & Associates [Member]		Feb. 23, 2012 Business Acquisition, Arminak & Associates [Member] Trademarks and Trade Names [Member]	Sep. 30, 2012 Business Acquisition, Arminak & Associates [Member] Customer Relationships [Member]	Feb. 23, 2012 Business Acquisition, Arminak & Associates [Member] Customer Relationships [Member]	Sep. 30, 2012 Business Acquisition, Arminak & Associates [Member] Technology and Other [Member]	Feb. 23, 2012 Business Acquisition, Arminak & Associates [Member] Technology and Other [Member]
Consideration
Cash paid plus initial estimate of working capital adjustment				$ 59,200,000
Contingent consideration				8,490,000	[1]
Total consideration				67,690,000
Recognized amounts of identifiable assets acquired and liabilities assumed
Receivables				8,760,000
Inventories				4,200,000
Intangible assets other than goodwill				48,400,000	[2]
Other assets				2,450,000
Accounts payable and accrued liabilities				4,270,000
Long-term liabilities				1,610,000
Total identifiable net assets				57,930,000
Redeemable noncontrolling interest				(25,630,000)
Goodwill	269,260,000	215,360,000		35,390,000	[3]
Recognized amounts of identifiable assets acquired and liabilities assumed, less noncontrolling interest				67,690,000
Contingent Consideration Arrangements
Contingent consideration low value			4,300,000	8,000,000
Contingent consideration high value			5,300,000	9,000,000
Contingent consideration paid			3,700,000
Acquired Intangible Assets Other than Goodwill
Acquired Finite-lived Intangible Asset, Amount								33,000,000		7,500,000
Acquired Indefinite-lived Intangible Asset, Amount						$ 7,900,000
Finite-Lived Intangible Assets, Useful Life							10 years		8 years

[1] The contingent consideration represented the Company's best estimate, based on its review, at the time of purchase, of the underlying potential obligations estimated at a range of $8 million to $9 million, of certain Seller tax-related liabilities for which the Company has indemnified the Sellers as part of the purchase agreement. During the second and third quarters of 2012, the Company paid $3.7 million of additional purchase price related to the contingent consideration. The remaining liability range of $4.3 million to $5.3 million continues to represent the Company's best estimate of the remaining potential obligation at September 30, 2012.

[2] Consists of $33.0 million of customer relationships with an estimated 10 year useful life, $7.9 million of trademarks/trade names with an indefinite useful life and $7.5 million of technology and other intangible assets with an estimated 8 year useful life.

[3] All of the goodwill was assigned to the Company's Packaging reportable segment and is expected to be deductible for tax purposes.

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Consolidated Statement of Comprehensive Income Parentheticals (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Consolidated Statement of Comprehensive Income
Amortization of defined benefit plan deferred losses, tax	$ (470)	$ 30	$ (360)	$ 90
Amortization of unrealized loss on interest rate swaps, tax	$ 60	$ 0	$ 620	$ 130

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Long-term Debt - Receivables Facility (Details) (Receivables Facility [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Receivables Facility [Member]
Debt Instrument [Line Items]
Secured debt, Maximum Borrowing Capacity	$ 90.0		$ 90.0
Debt cost, 3-month LIBOR plus	1.50%	1.50%	1.50%	1.50%
Debt Instrument, Unused Borrowing Capacity, Fee percentage	0.45%	0.45%	0.45%	0.45%
Receivables facility debt outstanding	0		0		0
Receivables facility debt available but not utilized	89.4		89.4		57.6
Receivables tacililty, debt aggregate costs	$ 0.3	$ 0.5	$ 0.8	$ 1.4
Average liquidation period, Receivables pool	1.6		1.6
Average discount rate, Receivables facility	1.80%		1.80%

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Segment Information (Tables)

9 Months Ended

Sep. 30, 2012

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Segment activity is as follows:

	Three months ended September 30,						Nine months ended September 30,
	2012			2011			2012			2011
	(dollars in thousands)
Net Sales
Packaging	$	77,240		$	46,090		$	202,250		$	137,890
Energy	45,460			42,690			143,220			125,810
Aerospace & Defense	20,810			20,330			58,000			60,160
Engineered Components	51,880			46,010			154,180			126,870
Cequent Asia Pacific	37,480			26,020			94,230			67,390
Cequent Americas	103,000			96,520			319,990			306,190
Total	$	335,870		$	277,660		$	971,870		$	824,310
Operating Profit (Loss)
Packaging	$	18,240		$	10,240		$	44,700		$	37,140
Energy	3,780			4,560			14,520			14,920
Aerospace & Defense	6,030			5,420			15,710			14,000
Engineered Components	6,310			7,730			22,620			19,010
Cequent Asia Pacific	3,950			5,250			9,000			9,720
Cequent Americas	8,430			9,580			28,090			30,630
Corporate expenses	(10,140		)	(6,990		)	(26,100		)	(20,500		)
Total	$	36,600		$	35,790		$	108,540		$	104,920

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Commitments and Contingencies - Asbestos Narrative (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended	261 Months Ended
	Sep. 30, 2012 claimants	Dec. 31, 2011 claimants	Sep. 30, 2012
Minimum [Member]
Loss Contingencies [Line Items]
Estimated time until primary insurance is exhausted	1 year		1 year
Maximum [Member]
Loss Contingencies [Line Items]
Estimated time until primary insurance is exhausted	2 years		2 years
Asbestos [Member]
Loss Contingencies [Line Items]
Number of pending claims	8,048	8,200
Total settlement costs			$ 6.3
Percentage of settlement and defense costs covered by insurance			40.00%
Asbestos [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Number of pending cases	1,119		1,119
Number of pending claims	7,972
Number of pending claims seeking specific amounts of damages	76		76

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Defined Benefit Plans

9 Months Ended

Sep. 30, 2012

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Defined Benefit Plans

Defined Benefit Plans

Net periodic pension and postretirement benefit costs for the Company's defined benefit pension plans and postretirement benefit plans cover foreign employees, union hourly employees and certain salaried employees. The components of net periodic pension and postretirement benefit costs for the three and nine months ended September 30, 2012 and 2011 are as follows:

	Pension Plans												Other Postretirement Benefits
	Three months ended September 30,						Nine months ended September 30,						Three months ended September 30,						Nine months ended September 30,
	2012			2011			2012			2011			2012			2011			2012			2011
	(dollars in thousands)
Service costs	$	150		$	160		$	450		$	480		$	—		$	—		$	—		$	—
Interest costs	410			400			1,210			1,200			20			10			40			30
Expected return on plan assets	(430		)	(400		)	(1,280		)	(1,210		)	—			—			—			—
Amortization of prior service cost	—			—			10			10			(70		)	(70		)	(200		)	(200		)
Settlement/curtailment (gain)	—			—			—			—			(1,490		)	—			(1,490		)	—
Amortization of net (gain)/loss	260			180			790			530			(20		)	(20		)	(60		)	(60		)
Net periodic benefit cost	$	390		$	340		$	1,180		$	1,010		$	(1,560	)	$	(80	)	$	(1,710	)	$	(230	)

During the third quarter of 2012, the Company recognized previously deferred gains associated with one of the Company's postretirement benefit plans of approximately $1.5 million as a result of not having any remaining eligible participants.

The Company contributed approximately $1.0 million and $5.5 million to its defined benefit pension plans during the three and nine months ended September 30, 2012, respectively. The Company expects to contribute approximately $5.8 million to its defined benefit pension plans for the full year 2012.

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Equity Awards (Tables)

9 Months Ended

Sep. 30, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity

Information related to stock options at September 30, 2012 is as follows:

	Number of Options		Weighted Average Option Price		Average  Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2012	1,271,149		$	13.29
Exercised	(509,763	)	10.90
Cancelled	(2,500	)	23.00
Expired	(15,308	)	20.00
Outstanding at September 30, 2012	743,578		$	14.76	4.4	$	6,950,057

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

g date.

Information related to restricted shares at September 30, 2012 is as follows:

	Number of Unvested Restricted Shares		Weighted Average Grant Date Fair Value		Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2012	332,043		$	16.25
Granted	475,533		24.30
Vested	(151,027	)	16.77
Cancelled	(13,856	)	23.91
Outstanding at September 30, 2012	642,693		$	21.92	1.8	$	15,495,328

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Subsequent Event

1 Months Ended

Oct. 25, 2012

Subsequent Events [Abstract]

Subsequent Events

Subsequent Event

In October 2012, the Company amended and restated its existing Credit Agreement (the "Amended and Restated Credit Agreement" or "ARCA"), pursuant to which the Company was able to reduce interest rates, extend maturities and increase its available liquidity. Below is a summary of the key terms under the ARCA:

Instrument	Amount ($ in millions)		Maturity Date	Interest Rate
Senior Secured Revolving Credit facility	$	250.0	10/11/2017	LIBOR plus 2.00%
Senior Secured Term Loan A facility	$	200.0	10/11/2017	LIBOR plus 2.00%
Senior Secured Term Loan B facility	$	200.0	10/11/2019	LIBOR plus 2.75% with a 1.00% LIBOR floor

The Company used the proceeds from borrowings under the ARCA to repay outstanding amounts under the existing Credit Agreement and to complete a tender offer for its Senior Notes, pursuant to which $176.5 million aggregate principal amount were repurchased, representing 88.3% of the aggregate principal amount outstanding.

The Company incurred approximately $40 million in cash costs during the fourth quarter to complete the above debt restructuring, primarily related to the tender offer premium in connection with the repurchase of the Senior Notes.

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Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Segment Reporting Information [Line Items]
Net Sales	$ 335,870	$ 277,660	$ 971,870	$ 824,310
Operating profit (loss)	36,600	35,790	108,540	104,920
Packaging [Member]
Segment Reporting Information [Line Items]
Net Sales	77,240	46,090	202,250	137,890
Operating profit (loss)	18,240	10,240	44,700	37,140
Energy [Member]
Segment Reporting Information [Line Items]
Net Sales	45,460	42,690	143,220	125,810
Operating profit (loss)	3,780	4,560	14,520	14,920
Aerospace & Defense [Member]
Segment Reporting Information [Line Items]
Net Sales	20,810	20,330	58,000	60,160
Operating profit (loss)	6,030	5,420	15,710	14,000
Engineered Components [Member]
Segment Reporting Information [Line Items]
Net Sales	51,880	46,010	154,180	126,870
Operating profit (loss)	6,310	7,730	22,620	19,010
Cequent Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net Sales	37,480	26,020	94,230	67,390
Operating profit (loss)	3,950	5,250	9,000	9,720
Cequent Americas [Member]
Segment Reporting Information [Line Items]
Net Sales	103,000	96,520	319,990	306,190
Operating profit (loss)	8,430	9,580	28,090	30,630
Corporate [Member]
Segment Reporting Information [Line Items]
Operating profit (loss)	$ (10,140)	$ (6,990)	$ (26,100)	$ (20,500)

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Consolidated Statement of Cash Flows Statement (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows from Operating Activities:
Net Income	$ (49,380)	$ (47,110)
Adjustments to reconcile net income to net cash provided by operating activities, net of acquisition impact:
Gain on disposition of property and equipment	330	30
Depreciation	18,990	19,160
Amortization of intangible assets	14,460	10,780
Amortization of debt issue costs	2,240	2,230
Deferred income taxes	(3,480)	14,420
Debt extinguishment costs	6,560	3,970
Non-cash compensation expense	6,640	2,580
Excess tax benefit from stock based compensation	(2,310)	(3,840)
Increase in receivables	(38,750)	(39,080)
Increase in inventories	(31,440)	(13,500)
Increase in prepaid expenses and other assets	(600)	(2,320)
Decrease in accounts payable and accrued liabilities	(6,130)	(4,750)
Other, net	170	(1,180)
Net cash provided by operating activities, net of acquisition impact	15,400	35,550
Cash Flows from Investing Activities:
Capital expenditures	(36,440)	(23,520)
Acquisition of businesses, net of cash acquired	(84,600)	(28,620)
Net proceeds from disposition of assets	2,950	2,240
Net cash used for investing activities	(118,090)	(49,900)
Cash Flows from Financing Activities:
Proceeds from sale of common stock	79,040	0
Proceeds from borrowings on term loan facilities	140,370	226,520
Repayments of borrowings on term loan facilities	(130,850)	(250,170)
Proceeds from borrowings on revolving credit facilities and accounts receivable facility	555,300	551,900
Repayments of borrowings on revolving credit facilities and accounts receivable facility	(555,300)	(547,020)
Repurchase of senior secured notes	(50,000)	0
Payments of Debt Extinguishment and Issuance Costs	4,880	6,680
Distributions to noncontrolling interests	(820)	0
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	(990)	(830)
Proceeds from exercise of stock options	5,680	960
Excess tax benefits from stock based compensation	2,310	3,840
Net cash provided by (used for) financing activities	39,860	(21,480)
Decrease for the period	(62,830)	(35,830)
At beginning of period	88,920	46,370
At end of period	26,090	10,540
Supplemental disclosure of cash flow information:
Cash paid for interest	20,990	25,350
Cash paid for taxes	$ 23,000	$ 12,140

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Consolidated Balance Sheet Parentheticals (USD $) In Millions, except Share data, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Receivables, reserves (in dollars)	$ 3.8	$ 3.8
Stockholders' Equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, Authorized shares	100,000,000	100,000,000
Preferred stock, Issued Shares	0	0
Preferred stock, outstanding Shares	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, Authorized shares	400,000,000	400,000,000
Common Stock, Issued Shares	39,299,544	34,613,607
Common Stock, outstanding Shares	39,299,544	34,613,607

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Derivative Instruments

9 Months Ended

Sep. 30, 2012

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments

Derivative Instruments

In March 2012, the Company entered into an interest rate swap agreement to fix the LIBOR-based variable portion of the interest rate on a total of $100.0 million notional amount of its term loan facility. The swap agreement fixes the LIBOR-based variable portion of the interest rate at 1.80% and expires on June 23, 2016. The Company has designated the swap agreement as a cash flow hedge.

In addition, the Company was party to a $125.0 million notional amount interest rate swap which expired in July 2011 and a second interest rate swap with a notional amount of $75.0 million which expired in the first quarter of 2011. Both of these swaps were associated with the Company's previous term loan facility, but during 2011 neither was designated as a hedging instrument. During 2011, a loss of $10 thousand was recognized in interest expense.

As of September 30, 2012 and December 31, 2011, the fair value carrying amount of the Company's interest rate swaps are recorded as follows:

		Asset Derivatives				Liability Derivatives
	Balance Sheet Caption	September 30, 2012		December 31, 2011		September 30, 2012		December 31, 2011
		(dollars in thousands)
Derivatives designated as hedging instruments
Interest rate swap	Accrued liabilities	$	—	$	—	$	550	$	—
Interest rate swap	Other long-term liabilities	—		—		1,060		—
Total derivatives designated as hedging instruments		$	—	$	—	$	1,610	$	—

The effect of interest rate swaps on the consolidated statement of operations for the three and nine months ended September 30, 2012 and 2011 is summarized as follows:

	Amount of Loss Recognized in AOCI on Derivative (Effective Portion, net of tax)						Amount of Loss Reclassified from AOCI into Earnings
							Three months ended September 30,					Nine months ended September 30,
	As of September 30, 2012			As of December 31, 2011		Location of Loss Reclassified from AOCI into Earnings (Effective Portion)	2012			2011		2012			2011
	(dollars in thousands)						(dollars in thousands)
Derivatives designated as hedging instruments
Interest rate swaps	$	(1,000	)	$	—	Interest expense	$	(140	)	$	—	$	(250	)	$	(360	)

Over the next 12 months, the Company expects to reclassify approximately $0.6 million of pre-tax deferred losses from accumulated other comprehensive income to interest expense as the related interest payments for the designated interest rate swaps are recognized.

Valuations of the interest rate swap were based on the income approach, which uses observable inputs such as interest rate yield curves and forward currency exchange rates. Fair value measurements and the fair value hierarchy level for the Company's assets and liabilities measured at fair value on a recurring basis as of September 30, 2012 are shown below.  

		September 30, 2012
Description	Frequency	Asset / (Liability)			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
		(dollars in thousands)
Interest rate swaps	Recurring	$	(1,610	)	$	—	$	(1,610	)	$	—

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Document and Entity Information Document	9 Months Ended
	Sep. 30, 2012	Oct. 25, 2012
Entity Information [Line Items]
Entity Registrant Name	TRIMAS CORP
Entity Central Index Key	0000842633
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		39,299,544

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2012

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Asbestos

As of September 30, 2012, the Company was a party to 1,119 pending cases involving an aggregate of 7,972 claimants alleging personal injury from exposure to asbestos containing materials formerly used in gaskets (both encapsulated and otherwise) manufactured or distributed by certain of the Company's subsidiaries for use primarily in the petrochemical refining and exploration industries. The following chart summarizes the number of claimants, number of claims filed, number of claims dismissed, number of claims settled, the average settlement amount per claim and the total defense costs, exclusive of amounts reimbursed under the Company's primary insurance, at the applicable date and for the applicable periods:

	Claims pending at beginning of period	Claims filed during period	Claims dismissed during period	Claims settled during period	Average settlement amount per claim during period		Total defense costs during period
Fiscal Year Ended December 31, 2011	8,200	476	607	21	$	14,300	$	2,510,000
Nine Months Ended September 30, 2012	8,048	278	340	14	16,379		2,054,220

In addition, the Company acquired various companies to distribute its products that had distributed gaskets of other manufacturers prior to acquisition. The Company believes that many of its pending cases relate to locations at which none of its gaskets were distributed or used.

The Company may be subjected to significant additional asbestos-related claims in the future, the cost of settling cases in which product identification can be made may increase, and the Company may be subjected to further claims in respect of the former activities of its acquired gasket distributors. The Company is unable to make a meaningful statement concerning the monetary claims made in the asbestos cases given that, among other things, claims may be initially made in some jurisdictions without specifying the amount sought or by simply stating the requisite or maximum permissible monetary relief, and may be amended to alter the amount sought. The large majority of claims do not specify the amount sought. Of the 7,972 claims pending at September 30, 2012, 76 set forth specific amounts of damages (other than those stating the statutory minimum or maximum). Below is a breakdown of the amount sought for those claims seeking specific amounts:

	Compensatory & Punitive			Compensatory Only			Punitive Only
Range of damages sought (in millions)	$0.2 to $5.0	$5.0 to $10.0	$10.0+	$0.1 to $0.6	$0.6 to $5.0	$5.0+	$0.0 to $2.5	$2.5 to $5.0	$5.0+
Number of claims	57	15	4	51	22	3	57	15	4

In addition, relatively few of the claims have reached the discovery stage and even fewer claims have gone past the discovery stage.

Total settlement costs (exclusive of defense costs) for all asbestos-related cases, some of which were filed over 20 years ago, have been approximately $6.3 million. All relief sought in the asbestos cases is monetary in nature. To date, approximately 40% of the Company's costs related to settlement and defense of asbestos litigation have been covered by its primary insurance. Effective February 14, 2006, the Company entered into a coverage-in-place agreement with its first level excess carriers regarding the coverage to be provided to the Company for asbestos-related claims when the primary insurance is exhausted. The coverage-in-place agreement makes asbestos defense costs and indemnity coverage available to the Company that might otherwise be disputed by the carriers and provides a methodology for the administration of such expenses. Nonetheless, the Company believes it is likely there will be a period within the next one or two years, prior to the commencement of coverage under this agreement and following exhaustion of the Company's primary insurance coverage, during which the Company will be solely responsible for defense costs and indemnity payments, the duration of which would be subject to the scope of damage awards and settlements paid.

Based on the settlements made to date and the number of claims dismissed or withdrawn for lack of product identification, the Company believes that the relief sought (when specified) does not bear a reasonable relationship to its potential liability. Based upon the Company's experience to date, including the trend in annual defense and settlement costs incurred to date, and other available information (including the availability of excess insurance), the Company does not believe these cases will have a material adverse effect on its financial position and results of operations or cash flows.

Ordinary Course Claims

The Company is subject to other claims and litigation in the ordinary course of business, but does not believe that any such claim or litigation will have a material adverse effect on its financial position and results of operations or cash flows.

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Supplemental Guarantor Condensed Consolidating Financial Information - Condensed Comprehensive Income Statement (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Condensed Financial Statements, Captions [Line Items]
Net income (loss), including portion attributable to noncontrolling interest	$ 19,960	$ 18,270	$ 49,380	$ 47,110
Net income (loss) attributable to TriMas Corporation	18,670	18,270	47,820	47,110
Other comprehensive income
Amortization of defined benefit plan deferred (gains) losses, net of tax	(740)	60	(530)	170
Foreign currency translation	3,040	(11,340)	2,680	(3,990)
Net changes in unrealized loss on interest rate swaps, net of tax	(80)	0	(1,000)	230
Total other comprehensive income	2,220	(11,280)	1,150	(3,590)
Total comprehensive income	22,180	6,990	50,530	43,520
Net income (loss) attributable to noncontrolling interests	1,290		1,560
Total comprehensive income attributable to TriMas Corporation	20,890	6,990	48,970	43,520
Parent [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss), including portion attributable to noncontrolling interest	19,960		49,380
Net income (loss) attributable to TriMas Corporation	19,960	18,270	49,380	47,110
Other comprehensive income
Amortization of defined benefit plan deferred (gains) losses, net of tax	0	0	0	0
Foreign currency translation	0	0	0	0
Net changes in unrealized loss on interest rate swaps, net of tax	0		0	0
Total other comprehensive income	0	0	0	0
Total comprehensive income	19,960		49,380
Net income (loss) attributable to noncontrolling interests	0		0
Total comprehensive income attributable to TriMas Corporation	19,960	18,270	49,380	47,110
Guarantor [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss), including portion attributable to noncontrolling interest	23,300		65,180
Net income (loss) attributable to TriMas Corporation	22,010	21,360	63,620	58,540
Other comprehensive income
Amortization of defined benefit plan deferred (gains) losses, net of tax	(820)	30	(700)	90
Foreign currency translation	0	0	0	0
Net changes in unrealized loss on interest rate swaps, net of tax	(140)		(1,000)	230
Total other comprehensive income	(960)	30	(1,700)	320
Total comprehensive income	22,340		63,480
Net income (loss) attributable to noncontrolling interests	1,290		1,560
Total comprehensive income attributable to TriMas Corporation	21,050	21,390	61,920	58,860
Non-Guarantor [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss), including portion attributable to noncontrolling interest	5,340		15,420
Net income (loss) attributable to TriMas Corporation	5,340	6,990	15,420	16,890
Other comprehensive income
Amortization of defined benefit plan deferred (gains) losses, net of tax	80	30	170	80
Foreign currency translation	3,040	(11,340)	2,680	(3,990)
Net changes in unrealized loss on interest rate swaps, net of tax	60		0	0
Total other comprehensive income	3,180	(11,310)	2,850	(3,910)
Total comprehensive income	8,520		18,270
Net income (loss) attributable to noncontrolling interests	0		0
Total comprehensive income attributable to TriMas Corporation	8,520	(4,320)	18,270	12,980
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss), including portion attributable to noncontrolling interest	(28,640)		(80,600)
Net income (loss) attributable to TriMas Corporation	(28,640)	(28,350)	(80,600)	(75,430)
Other comprehensive income
Amortization of defined benefit plan deferred (gains) losses, net of tax	0	0	0	0
Foreign currency translation	0	0	0	0
Net changes in unrealized loss on interest rate swaps, net of tax	0		0	0
Total other comprehensive income	0	0	0	0
Total comprehensive income	(28,640)		(80,600)
Net income (loss) attributable to noncontrolling interests	0		0
Total comprehensive income attributable to TriMas Corporation	$ (28,640)	$ (28,350)	$ (80,600)	$ (75,430)

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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

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Acquisitions

9 Months Ended

Sep. 30, 2012

Business Combinations [Abstract]

Acquisitions

Acquisitions

Arminak & Associates

On February 24, 2012, the Company acquired 70% of the membership interests of Arminak & Associates, LLC ("Arminak") for the purchase price of approximately $67.7 million. Arminak is in the business of designing, manufacturing and supplying foamers, lotion pumps, fine mist sprayers and other packaging solutions for the cosmetic, personal care and household product markets. The acquisition of Arminak enhances the Company's highly-engineered product offering and provides access to large global customers in the cosmetic and personal care markets. Arminak is included in the Company's Packaging reportable segment.

The purchase agreement provides the Company an option to purchase, and the Sellers an option to sell, the remaining 30% noncontrolling interest at specified dates in the future based on a multiple of future earnings, as defined. The put and call options become exercisable during the first quarters of 2014, 2015 and 2016. During the first exercise period, in 2014, TriMas and Arminak's previous owners ("Sellers") have the opportunity to put or call a 10% interest in Arminak. During the second exercise period, in 2015, TriMas and the Sellers have the opportunity to put or call an additional 10%, or up to all remaining interests held by Sellers per joint agreement, as defined in the purchase agreement. Finally, during the third exercise period, in 2016, a call or put may be exercised for all or any portions of the remaining interests held by the Sellers.

The combination of a noncontrolling interest and a redemption feature resulted in a redeemable noncontrolling interest, which is classified outside of permanent equity on the accompanying consolidated balance sheet. In order to estimate the fair value of the redeemable noncontrolling interest in Arminak, the Company utilized the Monte Carlo valuation method, using variations of estimated future discounted cash flows given certain significant assumptions including expected revenue growth, minimum and maximum estimated levels of gross profit margin, future expected cash flows, amounts transferred during each put and call exercise period and appropriate discount rates. As these assumptions are not observable in the market, the calculation represents a Level 3 fair value measurement. The Company recorded the redeemable noncontrolling interest at fair value at the date of acquisition.

Each reporting period, the Company adjusts the carrying amount of the noncontrolling interest to the greater of (1) the initial carrying amount, increased or decreased for the noncontrolling interest's share of Arminak's net income or loss and its share of comprehensive income or loss and dividends and (2) the redemption value as determined by the specified multiple of earnings, as defined. This method views the end of the reporting period as if it were also the redemption date for the redeemable noncontrolling interest. If the fair value of the redeemable noncontrolling interest is less than the redemption value, there may be a charge to earnings per share attributable to TriMas Corporation. At September 30, 2012, the estimated fair value of the redeemable noncontrolling interest exceeded the redemption value.

Changes in the carrying amount of redeemable noncontrolling interest are summarized as follows:

	Nine months ended September 30, 2012
	(dollars in thousands)
Beginning balance, February 24, 2012	$	25,630
Distributions to noncontrolling interests	(820		)
Net income attributable to noncontrolling interests	1,560
Ending balance, September 30, 2012	$	26,370

The following table summarizes the fair value of consideration paid for Arminak, and the assets acquired and liabilities assumed, as well as the fair value of the noncontrolling interest in Arminak at the acquisition date. During the third quarter of 2012, the Company finalized the net working capital adjustment, which increased the total consideration by approximately $0.3 million, and made certain other insignificant measurement period adjustments to provisional amounts recognized at the acquisition date.

	(dollars in thousands)
Consideration
Initial cash paid net of working capital adjustment	$	59,200
Contingent consideration (a)	8,490
Total consideration	$	67,690
Recognized amounts of identifiable assets acquired and liabilities assumed
Receivables	$	8,760
Inventories	4,200
Intangible assets other than goodwill (b)	48,400
Other assets	2,450
Accounts payable and accrued liabilities	(4,270		)
Long-term liabilities	(1,610		)
Total identifiable net assets	57,930
Redeemable noncontrolling interests	(25,630		)
Goodwill (c)	35,390
	$	67,690

__________________________

^(a) The contingent consideration represented the Company's best estimate, based on its review, at the time of purchase, of the underlying potential obligations estimated at a range of $8 million to $9 million, of certain Seller tax-related liabilities for which the Company has indemnified the Sellers as part of the purchase agreement. During the second and third quarters of 2012, the Company paid $3.7 million of additional purchase price related to the contingent consideration. The remaining liability range of $4.3 million to $5.3 million continues to represent the Company's best estimate of the remaining potential obligation at September 30, 2012.

^(b) Consists of $33.0 million of customer relationships with an estimated 10 year useful life, $7.9 million of trademarks/trade names with an indefinite useful life and $7.5 million of technology and other intangible assets with an estimated 8 year useful life.

^(c) All of the goodwill was assigned to the Company's Packaging reportable segment and is expected to be deductible for tax purposes.

The results of operations of Arminak are included in the Company's results beginning February 24, 2012. The actual amounts of net sales and net income of Arminak included in the accompanying consolidated statement of operations are summarized as follows:

	Three months ended September 30, 2012		Nine months ended September 30, 2012
	(dollars in thousands)
Net sales	$	23,640	$	45,000
Net income	$	4,310	$	5,210

The following table summarizes the supplemental pro forma results of the combined entity as if the acquisition had occurred on January 1, 2011. The supplemental pro forma information presented below is for informational purposes and is not necessarily indicative of either future results of operations or results that might have been achieved had the acquisition been consummated on January 1, 2011:

	Pro forma Combined (a)
	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
	(dollars in thousands)
Net sales	$	335,870	$	295,080	$	979,900	$	867,310
Net income attributable to TriMas Corporation	$	18,670	$	19,390	$	49,790	$	45,420

___________________________

^(a) The supplemental pro forma results from continuing operations reflect certain adjustments, such as adjustments for acquisition costs incurred and purchase accounting adjustments related to step-up in value and subsequent amortization of inventory and intangible assets.

Total acquisition costs incurred by the Company in connection with its purchase of Arminak, primarily related to third-party legal, accounting and tax diligence fees, were approximately $1.3 million, of which approximately $0.3 million were incurred during the fourth quarter of 2011 and $1.0 million were incurred during the first quarter of 2012. These costs are recorded in selling, general and administrative expenses in the accompanying consolidated statement of operations.

Other Acquisitions

During the third quarter of 2012, the Company completed acquisitions for approximately $22 million in cash, in aggregate, with an additional estimated $12 million of deferred purchase price and contingent consideration, based primarily on post-acquisition operating results, payable over the next five years. Within its Energy reportable segment, the Company acquired CIFAL Industrial e Comercial Ltda ("CIFAL"), a Brazilian manufacturer and supplier of specialty fasteners and stud bolts, primarily to the oil and gas industry. CIFAL generated approximately $9 million in revenue for the twelve months ended June 30, 2012. Within its Cequent Americas reportable segment, the Company acquired Engetran Engenharia, Industria, e Comericio de Pecas e Accesorios Veiculares Ltda ("Engetran"), a Brazilian manufacturer of trailering and towing products including trailer hitches, skid plates and related accessories. Engetran generated approximately $6 million in revenue for the twelve months ended June 30, 2012. Lastly, within its Cequent Asia Pacific reportable segment, the Company acquired Trail Com Limited ("Trail Com"). Trail Com, with locations in New Zealand and Australia, is a distributor of towing accessories and trailer components. Trail Com generated approximately $12 million in revenue for the twelve months ended June 30, 2012.

During the third quarter of 2011, the Company completed acquisitions for an aggregate amount of approximately $29.1 million. Within its Packaging reportable segment, the Company acquired the stock of Innovative Molding ("Innovative"), a manufacturer of specialty plastic closures for bottles and jars for the food and nutrition industries located in California, for the purchase price of $27.0 million. Within its Energy reportable segment, the Company purchased substantially all of the assets of a standard ring type joint gasket manufacturer located in Faridabad, India for the purchase price of approximately $2.1 million.

The results of operations of these other acquisitions are not significant compared to the overall results of operations of the Company.

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Discontinued Operations and Assets Held for Sale

9 Months Ended

Sep. 30, 2012

Discontinued Operations and Disposal Groups [Abstract]

Discontinued Operations and Assets Held for Sale

Discontinued Operations and Assets Held for Sale

During the third quarter of 2011, the Company committed to a plan to exit its precision tool cutting and specialty fittings lines of business, both of which were part of the Engineered Components reportable segment. The businesses were sold in December 2011 for cash proceeds of $36.4 million and a note receivable of $2.2 million, which was collected during the second quarter of 2012, resulting in a pre-tax gain on sale of approximately $10.3 million. The purchase agreement also includes up to $2.5 million of additional contingent consideration, based on achievement of certain levels of future financial performance in 2012 and 2013.

The results of the aforementioned businesses are reported as discontinued operations for all periods presented. Results of discontinued operations are summarized as follows:

	Three months ended September 30,					Nine months ended September 30,
	2012		2011			2012		2011
	(dollars in thousands)
Net sales	$	—	$	11,930		$	—	$	34,670
Income from discontinued operations before income tax expense	$	—	$	2,050		$	—	$	5,450
Income tax expense	—		(760		)	—		(2,020		)
Income from discontinued operations, net of income tax expense	$	—	$	1,290		$	—	$	3,430

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New Accounting Pronouncements

9 Months Ended

Sep. 30, 2012

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

New Accounting Pronouncements

New Accounting Pronouncements

In July 2012, the Financial Accounting Standards Board issued Accounting Standards Update 2012-2, "Intangibles - Goodwill and Other (Topic 350): Testing Indefinite-Lived Intangible Assets for Impairment" ("ASU 2012-2"). ASU 2012-2 gives companies the option to perform a qualitative assessment to determine whether it is more likely than not (a likelihood of more than 50%) that the fair value of a reporting unit is less than its carrying amount, and in some cases, skip the two-step impairment test. The objective of the revised standard is to simplify how an entity tests indefinite-lived intangible assets for impairment and to reduce the cost and complexity of the annual impairment test. ASU 2012-2 will be effective annual and interim impairment tests performed for fiscal years beginning after September 15, 2012, with early adoption permitted. The Company is currently evaluating this guidance and the potential impact of the revised standard on the Company's annual indefinite-lived intangible asset impairment test.

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Segment Information

9 Months Ended

Sep. 30, 2012

Segment Reporting [Abstract]

Segment Information

Segment Information

TriMas groups its operating segments into reportable segments that provide similar products and services. Each operating segment has discrete financial information evaluated regularly by the Company's chief operating decision maker in determining resource allocation and assessing performance. Within these reportable segments, there are no individual products or product families for which reported net sales accounted for more than 10% of the Company's consolidated net sales. See below for more information regarding the types of products and services provided within each reportable segment:

Packaging – Highly engineered closure and dispensing systems for a range of end markets, including steel and plastic industrial and consumer packaging applications.

Energy – Metallic and non-metallic industrial sealant products and fasteners for the petroleum refining, petrochemical and other industrial markets.

Aerospace & Defense – Highly engineered specialty fasteners and screws for the commercial and military aerospace industries and military munitions components for the defense industry.

Engineered Components – High-pressure and low-pressure cylinders for the transportation, storage and dispensing of compressed gases, and natural gas engines, compressors, gas production equipment and chemical pumps engineered at well sites for the oil and gas industry.

Cequent Asia Pacific & Cequent Americas – Custom-engineered towing, trailering and electrical products including trailer couplers, winches, jacks, trailer brakes and brake control solutions, lighting accessories and roof racks for the recreational vehicle, agricultural/utility, marine, automotive and commercial trailer markets, functional vehicle accessories and cargo management solutions including vehicle hitches and receivers, sway controls, weight distribution and fifth-wheel hitches, hitch-mounted accessories and other accessory components.

Segment activity is as follows:

	Three months ended September 30,						Nine months ended September 30,
	2012			2011			2012			2011
	(dollars in thousands)
Net Sales
Packaging	$	77,240		$	46,090		$	202,250		$	137,890
Energy	45,460			42,690			143,220			125,810
Aerospace & Defense	20,810			20,330			58,000			60,160
Engineered Components	51,880			46,010			154,180			126,870
Cequent Asia Pacific	37,480			26,020			94,230			67,390
Cequent Americas	103,000			96,520			319,990			306,190
Total	$	335,870		$	277,660		$	971,870		$	824,310
Operating Profit (Loss)
Packaging	$	18,240		$	10,240		$	44,700		$	37,140
Energy	3,780			4,560			14,520			14,920
Aerospace & Defense	6,030			5,420			15,710			14,000
Engineered Components	6,310			7,730			22,620			19,010
Cequent Asia Pacific	3,950			5,250			9,000			9,720
Cequent Americas	8,430			9,580			28,090			30,630
Corporate expenses	(10,140		)	(6,990		)	(26,100		)	(20,500		)
Total	$	36,600		$	35,790		$	108,540		$	104,920

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Property and Equipment, Net

9 Months Ended

Sep. 30, 2012

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

Property and Equipment, Net

Property and equipment consists of the following components:

	September 30, 2012		December 31, 2011
	(dollars in thousands)
Land and land improvements	$	5,840	$	5,740
Buildings	57,190		51,480
Machinery and equipment	325,600		291,960
	388,630		349,180
Less: Accumulated depreciation	208,530		189,970
Property and equipment, net	$	180,100	$	159,210

Depreciation expense as included in the accompanying consolidated statement of operations is as follows:

	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
	(dollars in thousands)
Depreciation expense, included in cost of sales	$	5,400	$	5,260	$	16,420	$	15,300
Depreciation expense, included in selling, general and administrative expense	900		730		2,570		2,200
Total depreciation expense	$	6,300	$	5,990	$	18,990	$	17,500

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Derivative Instruments - Derivative Narrative (Details) (USD $)				12 Months Ended
	Sep. 30, 2012 Interest Rate Swap [Member] Cash Flow Hedging [Member]	Sep. 30, 2011 Interest Rate Swap [Member] Not Designated as Hedging Instrument [Member] July 2011 Maturity [Member]	Mar. 31, 2011 Interest Rate Swap [Member] Not Designated as Hedging Instrument [Member] Q1 2011 Maturity [Member]	Dec. 31, 2011 Interest Rate Swap [Member] Not Designated as Hedging Instrument [Member] Interest Expense [Member]
Derivative [Line Items]
Notional Amount of Cash Flow Hedge Instruments	$ 100,000,000
Derivative, Fixed Interest Rate	1.80%
Notional Amount of Other Derivatives Not Designated as Hedging Instruments		125,000,000	75,000,000
Derivative Instruments Not Designated as Hedging Instruments, Loss				$ 10,000

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Goodwill and Other Intangible Assets

9 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

Changes in the carrying amount of goodwill for the nine months ended September 30, 2012 are summarized as follows:

	Packaging		Energy		Aerospace & Defense		Engineered Components		Cequent Asia Pacific		Cequent Americas		Total
	(dollars in thousands)
Balance, December 31, 2011	$	122,330	$	48,720	$	41,130	$	3,180	$	—	$	—	$	215,360
Goodwill from acquisitions	35,390		14,200		—		—		—		3,500		53,090
Foreign currency translation	590		220		—		—		—		—		810
Balance, September 30, 2012	$	158,310	$	63,140	$	41,130	$	3,180	$	—	$	3,500	$	269,260

The gross carrying amounts and accumulated amortization of the Company's other intangibles as of September 30, 2012 and December 31, 2011 are summarized below. The Company amortizes these assets over periods ranging from 1 to 30 years.

	As of September 30, 2012					As of December 31, 2011
Intangible Category by Useful Life	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(dollars in thousands)
Finite-lived intangible assets:
Customer relationships, 5 – 12 years	$	84,590	$	(28,070	)	$	37,400	$	(23,410	)
Customer relationships, 15 – 25 years	154,610		(83,900		)	154,610		(77,730		)
Total customer relationships	239,200		(111,970		)	192,010		(101,140		)
Technology and other, 1 – 15 years	36,680		(25,550		)	29,360		(23,710		)
Technology and other, 17 – 30 years	43,770		(22,520		)	43,640		(20,860		)
Total technology and other	80,450		(48,070		)	73,000		(44,570		)
Indefinite-lived intangible assets:
Trademark/Trade names	49,300		—			36,370		—
Total other intangible assets	$	368,950	$	(160,040	)	$	301,380	$	(145,710	)

Amortization expense related to intangible assets as included in the accompanying consolidated statement of operations is summarized as follows:

	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
	(dollars in thousands)
Technology and other, included in cost of sales	$	1,270	$	950	$	3,620	$	2,590
Customer relationships, included in selling, general and administrative expenses	4,000		2,790		10,840		8,190
Total amortization expense	$	5,270	$	3,740	$	14,460	$	10,780

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Inventories

9 Months Ended

Sep. 30, 2012

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consist of the following components:

	September 30, 2012		December 31, 2011
	(dollars in thousands)
Finished goods	$	146,340	$	119,020
Work in process	28,360		21,730
Raw materials	45,750		37,280
Total inventories	$	220,450	$	178,030

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Long-term Debt

9 Months Ended

Sep. 30, 2012

Debt Disclosure [Abstract]

Long-term debt

Long-term Debt

The Company's long-term debt consists of the following:

	September 30, 2012		December 31, 2011
	(dollars in thousands)
U.S. bank debt and receivables facility	$	217,190	$	223,870
Non-U.S. bank debt and other	15,780		140
9¾% senior secured notes, due December 2017	197,020		245,890
	429,990		469,900
Less: Current maturities, long-term debt	17,950		7,290
Long-term debt	$	412,040	$	462,610

U.S. Bank Debt

The Company is a party to a credit facility consisting of a $125.0 million revolving credit facility, which matures in June 2016 and is subject to interest at London Interbank Offered Rates ("LIBOR") plus 3.25%, and a $225.0 million term loan facility, which matures in June 2017 and is subject to interest at LIBOR plus 3.00% (subject to a 1.25% LIBOR floor) (collectively, the "Credit Agreement").

Under the Credit Agreement, the Company may be required to prepay a portion of its term loan under an excess cash flow sweep provision, as defined, with the amount of such prepayment based on the Company's leverage ratio, as defined. In April 2012, the Company prepaid $5.0 million of term loan principal under this provision. The Company is also able to issue letters of credit, not to exceed $50.0 million in aggregate, against its revolving credit facility commitments. At September 30, 2012 and December 31, 2011, the Company had letters of credit of approximately $23.3 million and $23.9 million, respectively, issued and outstanding.

At September 30, 2012 and December 31, 2011, the Company had no amounts outstanding under its revolving credit facilities and had $101.7 million and $101.1 million, respectively, potentially available after giving effect to approximately $23.3 million and $23.9 million, respectively, of letters of credit issued and outstanding. However, including availability under its accounts receivable facility and after consideration of leverage restrictions contained in the Credit Agreement, the Company had $191.1 million and $158.8 million, respectively, of borrowing capacity available to it for general corporate purposes.

The debt under the Credit Agreement is an obligation of the Company and certain of its subsidiaries. Although the terms of the Credit Agreement do not restrict the Company's subsidiaries from making distributions to it in respect of its Senior Notes, it does contain certain other limitations on the distribution of funds from TriMas Company LLC, the Company's principal subsidiary. The restricted net assets of the guarantor subsidiaries of approximately $513.4 million and $412.8 million at September 30, 2012 and December 31, 2011, respectively, are presented in Note 17, "Supplemental Guarantor Condensed Consolidating Financial Information." The Credit Agreement also contains various negative and affirmative covenants and other requirements affecting the Company and its subsidiaries. The Company was in compliance with its covenants at September 30, 2012.

During the second quarter of 2011, the Company incurred $6.6 million in fees to complete the refinance of its U.S. bank debt, of which $4.2 million was capitalized as deferred financing fees and $2.4 million was recorded as debt extinguishment costs in the accompanying statement of operations. In addition, the Company also recorded debt extinguishment costs of $1.6 million related to deferred financing fees associated with the previous credit agreement.

The Company's term loan facility traded at approximately 99.8% and 99.0% of par value as of September 30, 2012 and December 31, 2011, respectively, and was valued based on Level 2 inputs as defined in the fair value hierarchy.

Non-U.S. Bank Debt

The Company's Australian subsidiary is party to a debt agreement which matures on May 31, 2013 and is secured by substantially all the assets of the subsidiary. At September 30, 2012, the balance outstanding under this agreement was approximately $15.6 million at an average interest rate of 3.6%. At December 31, 2011, the Company's Australian subsidiary had no amounts outstanding under this debt agreement.

Notes

In June 2012, the Company completed a partial redemption of its Senior Notes using cash proceeds from its May 2012 equity offering, paying approximately $54.9 million to redeem $50.0 million in aggregate principal at a redemption price equal to 109.750% of the principal amount. In connection with this partial redemption, the Company also incurred non-cash debt extinguishment costs of approximately $1.7 million. See Note 2, "Equity Offering," for further information on the Company's equity offering.

The Company's Senior Notes indenture contains negative and affirmative covenants and other requirements that are comparable to those contained in the Credit Agreement. At September 30, 2012, the Company was in compliance with all such covenant requirements.

The Company's Senior Notes traded at approximately 115.0% and 108.5% of par value as of September 30, 2012 and December 31, 2011, respectively, and was valued based on Level 2 inputs as defined in the fair value hierarchy.

Receivables Facility

The Company is a party to an accounts receivable facility through TSPC, Inc. ("TSPC"), a wholly-owned subsidiary, to sell trade accounts receivable of substantially all of the Company's domestic business operations. Under this facility, TSPC, from time to time, may sell an undivided fractional ownership interest in the pool of receivables up to approximately $90.0 million to a third party multi-seller receivables funding company. The net amount financed under the facility is less than the face amount of accounts receivable by an amount that approximates the purchaser's financing costs. The cost of funds under this facility consisted of a 3-month LIBOR-based rate plus a usage fee of 1.50% as of September 30, 2012 and 2011, respectively, and a fee on the unused portion of the facility of 0.45% as of September 30, 2012 and 2011, respectively.

The Company did not have any amounts outstanding under the facility as of September 30, 2012 or December 31, 2011, but had $89.4 million and $57.6 million, respectively, available but not utilized. Aggregate costs incurred under the facility were $0.3 million and $0.5 million for the three months ended September 30, 2012 and 2011, respectively, and $0.8 million and $1.4 million for the nine months ended September 30, 2012 and 2011, respectively, and are included in interest expense in the accompanying consolidated statement of operations. The facility expires on September 15, 2015.

The cost of funds fees incurred are determined by calculating the estimated present value of the receivables sold compared to their carrying amount. The estimated present value factor is based on historical collection experience and a discount rate based on a 3-month LIBOR-based rate plus the usage fee discussed above and is computed in accordance with the terms of the securitization agreement. As of September 30, 2012, the cost of funds under the facility was based on an average liquidation period of the portfolio of approximately 1.6 months and an average discount rate of 1.8%.

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Derivative Instruments - Fair Value Measurements (Details) (Interest Rate Swap [Member], Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	$ (1,610)
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(1,610)
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	$ 0

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Commitments and Contingencies - Asbestos Claimant and Settlement (Details) (Asbestos [Member], USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2012 claimants	Dec. 31, 2011 claimants
Asbestos [Member]
Loss Contingencies [Line Items]
Number of pending claims at beginning of period	8,048	8,200
Number of pending claims filed during period	278	476
Number of pending claims dismissed during period	340	607
Number of pending claims settled during period	14	21
Average settlement amount per claim during period	$ 16,379	$ 14,300
Total defense costs during period	$ 2,054,220	$ 2,510,000

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Derivative Instruments - Designated as hedging, Financial Performance Narrative (Details) (Interest Rate Swap [Member], Designated as Hedging Instrument [Member], USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss Reclassification from AOCI into Earnings, Estimate of Time to Transfer	12 months
Amount of Loss expected to be reclassified from AOCI into Earnings	$ 0.6

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Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Loss Contingencies by Contingency

The following chart summarizes the number of claimants, number of claims filed, number of claims dismissed, number of claims settled, the average settlement amount per claim and the total defense costs, exclusive of amounts reimbursed under the Company's primary insurance, at the applicable date and for the applicable periods:

	Claims pending at beginning of period	Claims filed during period	Claims dismissed during period	Claims settled during period	Average settlement amount per claim during period		Total defense costs during period
Fiscal Year Ended December 31, 2011	8,200	476	607	21	$	14,300	$	2,510,000
Nine Months Ended September 30, 2012	8,048	278	340	14	16,379		2,054,220

Below is a breakdown of the amount sought for those claims seeking specific amounts:

	Compensatory & Punitive			Compensatory Only			Punitive Only
Range of damages sought (in millions)	$0.2 to $5.0	$5.0 to $10.0	$10.0+	$0.1 to $0.6	$0.6 to $5.0	$5.0+	$0.0 to $2.5	$2.5 to $5.0	$5.0+
Number of claims	57	15	4	51	22	3	57	15	4

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Goodwill and Other Intangible Assets - Schedule of Finite-Lived Intangible Assets, Amortization Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Amortization of Intangible Assets [Line Items]
Amortization of intangible assets	$ 5,270	$ 3,740	$ 14,460	$ 10,780
Cost of Sales [Member] | Technology and Other [Member]
Amortization of Intangible Assets [Line Items]
Amortization of intangible assets	1,270	950	3,620	2,590
Selling, General and Administrative Expenses [Member] | Customer Relationships [Member]
Amortization of Intangible Assets [Line Items]
Amortization of intangible assets	$ 4,000	$ 2,790	$ 10,840	$ 8,190

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Earnings per Share

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Earnings Per Share

Earnings per Share

Net earnings are divided by the weighted average number of shares outstanding during the period to calculate basic earnings per share. Diluted earnings per share are calculated to give effect to stock options and other stock-based awards. The calculation of diluted earnings per share included 289,120 and 156,213 restricted shares for the three months ended September 30, 2012 and 2011, respectively and 164,163 and 114,911 restricted shares for the nine months ended September 30, 2012 and 2011, respectively. The calculation of diluted earnings per share also included options to purchase 174,101 and 327,185 shares of common stock for the three months ended September 30, 2012 and 2011, respectively and 220,937 and 438,803 for the nine months ended September 30, 2012 and 2011, respectively.

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Acquisitions (Policies)

9 Months Ended

Sep. 30, 2012

Accounting Policies [Abstract]

Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy

Each reporting period, the Company adjusts the carrying amount of the noncontrolling interest to the greater of (1) the initial carrying amount, increased or decreased for the noncontrolling interest's share of Arminak's net income or loss and its share of comprehensive income or loss and dividends and (2) the redemption value as determined by the specified multiple of earnings, as defined. This method views the end of the reporting period as if it were also the redemption date for the redeemable noncontrolling interest. If the fair value of the redeemable noncontrolling interest is less than the redemption value, there may be a charge to earnings per share attributable to TriMas Corporation.

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Goodwill and Other Intangible Assets - Goodwill Rollforward (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Goodwill [Roll Forward]
Balance, beginning	$ 215,360
Goodwill from acquisitions	53,090
Foreign currency translation	810
Balance, ending	269,260
Packaging [Member]
Goodwill [Roll Forward]
Balance, beginning	122,330
Goodwill from acquisitions	35,390
Foreign currency translation	590
Balance, ending	158,310
Energy [Member]
Goodwill [Roll Forward]
Balance, beginning	48,720
Goodwill from acquisitions	14,200
Foreign currency translation	220
Balance, ending	63,140
Aerospace & Defense [Member]
Goodwill [Roll Forward]
Balance, beginning	41,130
Goodwill from acquisitions	0
Foreign currency translation	0
Balance, ending	41,130
Engineered Components [Member]
Goodwill [Roll Forward]
Balance, beginning	3,180
Goodwill from acquisitions	0
Foreign currency translation	0
Balance, ending	3,180
Cequent Asia Pacific [Member]
Goodwill [Roll Forward]
Balance, beginning	0
Goodwill from acquisitions	0
Foreign currency translation	0
Balance, ending	0
Cequent Americas [Member]
Goodwill [Roll Forward]
Balance, beginning	0
Goodwill from acquisitions	3,500
Foreign currency translation	0
Balance, ending	$ 3,500

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Discontinued Operations and Assets Held for Sale - Narrative (Details) (Segment, Discontinued Operations [Member], USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Dec. 31, 2011	Sep. 30, 2012
Segment, Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses	$ 36.4	$ 2.2
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	10.3
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset		$ 2.5

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Consolidated Statement of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		7 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011
Net income	$ 19,960	$ 18,270		$ 49,380	$ 47,110
Other comprehensive income
Amortization of defined benefit plan deferred (gains) losses, net of tax	(740)	60		(530)	170
Foreign currency translation	3,040	(11,340)		2,680	(3,990)
Net changes in unrealized loss on interest rate swaps, net of tax	(80)	0		(1,000)	230
Total other comprehensive income (loss)	2,220	(11,280)		1,150	(3,590)
Total comprehensive income	22,180	6,990		50,530	43,520
Net Income Attributable to Redeemable Noncontrolling Interest	1,290	0	1,560	1,560	0
Total comprehensive income attributable to TriMas Corporation	$ 20,890	$ 6,990		$ 48,970	$ 43,520

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Equity Offering

9 Months Ended

Sep. 30, 2012

Equity [Abstract]

Equity Offering

Equity Offering

In May 2012, the Company issued 4,000,000 shares of its common stock via a public offering at a price of $20.75 per share. Net proceeds from the offering, after deducting underwriting discounts, commissions and offering expenses of $4.0 million, totaled approximately $79.0 million. Approximately $54.9 million of the net proceeds were utilized to redeem $50.0 million aggregate principal of the Company's 9¾% senior secured notes due 2017 ("Senior Notes"). The remaining net proceeds were used for general corporate purposes, including acquisitions, capital expenditures and working capital requirements. See Note 8, "Long-term Debt," for further information on the Company's partial redemption of its Senior Notes.

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Long-term Debt - Senior secured notes (Details) (Senior secured notes [Member], USD $) In Millions, unless otherwise specified	9 Months Ended			9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012 Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Fair Value, Inputs, Level 2 [Member]	Sep. 30, 2012 Issuance of Equity [Member]
Debt Instrument [Line Items]
Proceeds Used for Early Extinguishment of Debt				$ 54.9
Extinguishment of Debt, Amount	50.0
Long-term Debt, Redemption Price, % of principal amount	109.75%
Non-cash Debt Extinguishment Costs	$ 1.7
Long-term Debt, Fair Value, % of par value		115.00%	108.50%

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Equity Awards - Stock Option Activity Table (Details) (USD $)	9 Months Ended
	Sep. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of Options Outstanding, beginning balance	1,271,149
Number of Options Exercised	(509,763)
Number of Options Cancelled	(2,500)
Number of Options Expired	(15,308)
Number of Options Outstanding, ending balance	743,578
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Options Outstanding, Weighted Average Price, beginning	$ 13.29
Options Exercised, Weighted Average Price	$ 10.90
Options Cancelled, Weighted Average Price	$ 23.00
Options Expired, Weighted Average Price	$ 20.00
Options Outstanding, Weighted Average Price, ending	$ 14.76
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures
Options Average Remaining Contractual Life (Years)	4 years 5 months
Options Aggregate Intrinsic Value	$ 6,950,057

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Discontinued Operations and Assets Held for Sale (Tables)

9 Months Ended

Sep. 30, 2012

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures

The results of the aforementioned businesses are reported as discontinued operations for all periods presented. Results of discontinued operations are summarized as follows:

	Three months ended September 30,					Nine months ended September 30,
	2012		2011			2012		2011
	(dollars in thousands)
Net sales	$	—	$	11,930		$	—	$	34,670
Income from discontinued operations before income tax expense	$	—	$	2,050		$	—	$	5,450
Income tax expense	—		(760		)	—		(2,020		)
Income from discontinued operations, net of income tax expense	$	—	$	1,290		$	—	$	3,430

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Defined Benefit Plans - Net Periodic Pension and Postretirement Benefit Costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service costs	$ 150	$ 160	$ 450	$ 480
Interest costs	410	400	1,210	1,200
Expected return on plan assets	(430)	(400)	(1,280)	(1,210)
Amortization of prior service cost	0	0	10	10
Settlement/curtailment (gain)	0	0	0	0
Amortization of net (gain)/loss	260	180	790	530
Net periodic benefit cost	390	340	1,180	1,010
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service costs	0	0	0	0
Interest costs	20	10	40	30
Expected return on plan assets	0	0	0	0
Amortization of prior service cost	(70)	(70)	(200)	(200)
Settlement/curtailment (gain)	(1,490)	0	(1,490)	0
Amortization of net (gain)/loss	(20)	(20)	(60)	(60)
Net periodic benefit cost	$ (1,560)	$ (80)	$ (1,710)	$ (230)

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Subsequent Event (Tables)

1 Months Ended

Oct. 25, 2012

Subsequent Events [Abstract]

Schedule of Subsequent Events

In October 2012, the Company amended and restated its existing Credit Agreement (the "Amended and Restated Credit Agreement" or "ARCA"), pursuant to which the Company was able to reduce interest rates, extend maturities and increase its available liquidity. Below is a summary of the key terms under the ARCA:

Instrument	Amount ($ in millions)		Maturity Date	Interest Rate
Senior Secured Revolving Credit facility	$	250.0	10/11/2017	LIBOR plus 2.00%
Senior Secured Term Loan A facility	$	200.0	10/11/2017	LIBOR plus 2.00%
Senior Secured Term Loan B facility	$	200.0	10/11/2019	LIBOR plus 2.75% with a 1.00% LIBOR floor

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Equity Awards

9 Months Ended

Sep. 30, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Equity Awards

Equity Awards

The Company maintains the following long-term equity incentive plans: the 2011 TriMas Corporation Omnibus Incentive Compensation Plan, the TriMas Corporation 2006 Long Term Equity Incentive Plan and the TriMas Corporation 2002 Long Term Equity Incentive Plan (collectively, the "Plans"). See below for details of awards under the Plans by type.

Stock Options

The Company did not grant any stock options during the three or nine months ended September 30, 2012. Information related to stock options at September 30, 2012 is as follows:

	Number of Options		Weighted Average Option Price		Average  Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2012	1,271,149		$	13.29
Exercised	(509,763	)	10.90
Cancelled	(2,500	)	23.00
Expired	(15,308	)	20.00
Outstanding at September 30, 2012	743,578		$	14.76	4.4	$	6,950,057

As of September 30, 2012, 717,292 stock options were exercisable under the Plans. In addition, the fair value of options which vested during the nine months ended September 30, 2012 and 2011 was $0.4 million and $0.3 million, respectively.

The Company did not incur significant stock-based compensation expense related to stock options during the three or nine months ended September 30, 2012 and 2011.

Restricted Shares

During the nine months ended September 30, 2012, the Company issued 6,302 shares related to director fee deferrals. The Company allows for its non-employee independent directors to make an annual election to defer all or a portion of their directors fees and to receive the deferred amount in cash or equity. Certain of the Company's directors have elected to defer all or a portion of their directors fees and to receive the amount in Company common stock at a future date.

The Company also awarded multiple restricted stock grants during the first quarter of 2012. First, the Company granted 19,532 restricted shares of common stock to certain employees which are subject only to a service condition and vest ratably over three years so long as the employee remains with the Company.

Secondly, the Company awarded 60,665 restricted shares of common stock to certain employees during the first quarter of 2012. These shares are subject only to a service condition and vest on the first anniversary date of the award. The awards were made to participants in the Company's short-term Incentive Compensation Plan ("ICP"), where, beginning in the 2010 plan year, all ICP participants whose target ICP annual award exceeds $20 thousand receive 80% of the value in earned cash and 20% in the form of a restricted stock award upon finalization of the award amount in the first quarter each year, following the previous plan year.

The Company awarded206,064 restricted shares to certain Company key employees during the first quarter of 2012. Half of the restricted shares granted are service-based restricted stock units. These awards vest ratably over three years. The other half of the shares are subject to a performance condition and are earned based upon the achievement of two performance metrics over a period of three calendar years, beginning on January 1, 2012 and ending on December 31, 2014. Of this award, 75% of the awards are earned based upon the Company's earnings per share ("EPS") cumulative average growth rate ("EPS CAGR") over the performance period. The remaining 25% of the grants are earned based upon the Company's cash generation results. Cash generation is defined as the Company's cumulative three year cash flow from operating activities less capital expenditures, as publicly reported by the Company, plus or minus special items that may occur from time-to-time, divided by the Company's three-year income from continuing operations as publicly reported by the Company, plus or minus special items that may occur from time-to-time. Depending on the performance achieved for these two metrics, the amount of shares earned can vary from 30% of the target award to a maximum amount of 200% of the target award for the cash flow metric and 250% of the target award for the EPS CAGR metric. However, if these performance metrics are not achieved, no award will be earned. The performance awards vest on a "cliff" basis at the end of the three-year performance period.

During the first quarter of 2012, the Company also awarded 166,530 restricted shares to certain Company key employees which are solely performance-based grants. Of this award, 60% are earned based on 2012 earnings per share growth, and the remaining 40% are earned based on the EPS CAGR for 2012 and 2013. Depending on the performance achieved for these two specific metrics, the amount of shares earned can vary from 30% of the target award to a maximum amount of 250% of the target award. However, if these performance metrics are not achieved, no award will be earned.

In addition, the Company granted 16,440 restricted shares of its common stock to its non-employee independent directors, which vest one year from date of grant so long as the director and/or Company does not terminate his services prior to the vesting date.

Information related to restricted shares at September 30, 2012 is as follows:

	Number of Unvested Restricted Shares		Weighted Average Grant Date Fair Value		Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2012	332,043		$	16.25
Granted	475,533		24.30
Vested	(151,027	)	16.77
Cancelled	(13,856	)	23.91
Outstanding at September 30, 2012	642,693		$	21.92	1.8	$	15,495,328

As of September 30, 2012, there was approximately $8.8 million of unrecognized compensation cost related to unvested restricted shares that is expected to be recorded over a weighted-average period of 1.6 years.

The Company recognized approximately $2.7 million and $0.8 million of stock-based compensation expense related to restricted shares during the three months ended September 30, 2012 and 2011, respectively, and approximately $6.2 million and $2.4 million for the nine months ended September 30, 2012 and 2011, respectively. The stock-based compensation expense is included in selling, general and administrative expenses in the accompanying statement of operations.