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Acquisitions Acquisitions - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 10 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Sep. 30, 2014 | Oct. 16, 2014 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Jun. 30, 2014 | Oct. 17, 2014
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 10,000 | $ 382,880 |  |
Net sales |  | $ 185,530 | $ 202,290 | $ 203,320 | $ 202,880 | $ 192,760 | $ 222,190 | $ 224,900 | $ 224,130 |  |  | $ 794,020 | 863,980 | $ 887,300 |  |
Business Acquisition, Lion Holdings [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  | $ 27,500 |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000 |
Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000 |  |  |
Allfast Fasteners [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  |  | $ 351,220 |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Business Acquisition, Deferred Purchase Price | [1] |  |  |  |  |  |  |  |  |  | $ 15,730 |  |  |  |  |
[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.

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