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Acquisitions - Purchase Price Allocation (Details) - USD ($) $ in Thousands | 2 Months Ended | 10 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2014 | Oct. 16, 2014 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Oct. 17, 2014
Consideration |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  | $ 0 | $ 10,000 | $ 382,880 |
Recognized amounts of identifiable assets acquired and liabilities assumed |  |  |  |  |  |  |
Goodwill |  | $ 460,080 |  | 315,080 | 378,920 | 460,080 |
Allfast Fasteners [Member] |  |  |  |  |  |  |
Consideration |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  | $ 351,220 |  |  |  |
Business Acquisition, Deferred Purchase Price | [1] |  | 15,730 |  |  |  |
Business Combination, Consideration Transferred |  |  | 366,950 |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed |  |  |  |  |  |  |
Business Combination, Acquired Receivables, Fair Value |  |  |  |  |  |  | $ 8,950
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory |  |  |  |  |  |  | 19,850
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | [2] |  |  |  |  |  | 165,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets |  |  |  |  |  |  | 340
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment |  |  |  |  |  |  | 26,490
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities |  |  |  |  |  |  | (2,620)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net |  |  |  |  |  |  | 218,010
Goodwill | [3] |  |  |  |  |  | 148,940
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net |  |  |  |  |  |  | $ 366,950
Contingent Consideration Arrangements |  |  |  |  |  |  |
Deferred Purchase Price, Tax Reimbursements |  |  | 8,700 |  |  |  |
Deferred Purchase Price, Tax Reimbursements Paid to Seller |  |  |  |  | 5,200 |  |
Deferred Purchase Price, Tax Reimbursements to Sellers Written Off |  |  |  |  | 3,500 |  |
Deferred Purchase Price, Obligations Assumed on Behalf Seller |  |  | 7,000 |  |  |  |
Deferred Purchase Price, Amount Paid thru 2016 |  |  |  | $ 7,000 |  |  |
Acquired Intangible Assets Other than Goodwill |  |  |  |  |  |  |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  | 9,100 |  |  |  |  |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  | $ 1,300 |  |  |  |  |
Business Acquisition, Transaction Costs |  |  |  |  |  | $ 2,200 |
Allfast Fasteners [Member] | Trademarks and Trade Names [Member] |  |  |  |  |  |  |
Acquired Intangible Assets Other than Goodwill |  |  |  |  |  |  |
Acquired Indefinite-lived Intangible Asset, Amount |  |  | 49,000 |  |  |  |
Allfast Fasteners [Member] | Customer Relationships [Member] |  |  |  |  |  |  |
Acquired Intangible Assets Other than Goodwill |  |  |  |  |  |  |
Acquired Finite-lived Intangible Asset, Amount |  |  | $ 83,000 |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  | 18 years |  |  |  |
Allfast Fasteners [Member] | Technology and Other [Member] |  |  |  |  |  |  |
Acquired Intangible Assets Other than Goodwill |  |  |  |  |  |  |
Acquired Finite-lived Intangible Asset, Amount |  |  | $ 33,000 |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  | 15 years |  |  |  |
Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |  |  |  |
Consideration |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  | $ 10,000 |  |
[1] | Of the deferred purchase price, approximately $8.7 million, represented the Company's best estimate of the underlying obligations for certain tax amounts the Company agreed to reimburse the previous owner in order to acquire additional tax attributes. During 2015, the Company paid $5.2 million of such amount and the remaining $3.5 million liability was removed, with a corresponding reduction to goodwill, due to the finalization of the Seller's tax liability. In addition, deferred purchase price included approximately $7.0 million of other liabilities, which the Company agreed to pay on behalf of the previous owner, all of which was paid out as of December 31, 2016.
[2] | Consisted of approximately $83.0 million of customer relationships with an estimated useful life of 18 years, $33.0 million of technology and other intangible assets with an estimated useful life of 15 years and $49.0 million of trademark/trade name with an indefinite useful life.
[3] | All of the goodwill was assigned to the Company's Aerospace reportable segment and was expected to be deductible for tax purposes.

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e1043-128460 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition The amount of inventory recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=73531372&loc=d3e2207-128464 + Details
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- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=73531372&loc=d3e2207-128464 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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