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Significant Accounting Policies - Additional Information (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 USD ($) | Jun. 30, 2016 USD ($) Affiliate | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($)
Significant Accounting Policies [Line Items] |  |  |  |
Investments in affiliates |  | $ 25.0 |  |
Number of affiliates | Affiliate |  | 2 |  |
Excess tax benefits related to employee stock compensation |  |  |  | $ 9.2
Accounting Standards Update No. 2016-09 |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Excess tax benefits related to employee stock compensation | $ 1.2 |  | $ 2.4 |
Adjustment to retained earnings to recognize net operating loss carryforwards attributable to excess tax benefits on stock compensation | $ 0.4 |  | $ 0.4 |
Aerospace Composites Malaysia Sdn. Bhd. |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Interest in affiliated company, accounted for using equity method of accounting (as a percent) | 50.00% |  | 50.00% |
Maximum |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Interest in affiliated company, accounted for using cost method of accounting (as a percent) |  | 20.00% |  |

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