Goodwill and Other Intangible Assets, Net (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Gross balance at beginning of period		$ 354,146	$ 368,962
Accumulated impairment	$ (16,252)	(16,252)	(16,252)
Net balance at beginning of period	337,894	352,710
Additions	0	2,138
Impairments	0	0
Foreign currency translation	13,823	(7,342)
Purchase price adjustment (1)	0	(9,612)
Net balance at end of period	$ 351,717	$ 337,894
Fair value inputs, long-term revenue growth Rate	1.00%	1.00%
Fair value inputs, discount rate	1.00%	1.00%
Percent carrying amount in excess of fair value		5.00%
Minimum
Goodwill [Roll Forward]
Reporting unit, percentage of fair value in excess of carrying amount		25.00%
Aerospace
Goodwill [Roll Forward]
Gross balance at beginning of period		$ 204,942	219,758
Accumulated impairment	$ (16,252)	(16,252)	(16,252)
Net balance at beginning of period	188,690	203,506
Additions	0	2,138
Impairments	0	0
Foreign currency translation	13,823	(7,342)
Purchase price adjustment (1)	0	(9,612)
Net balance at end of period	202,513	188,690
Distribution
Goodwill [Roll Forward]
Gross balance at beginning of period		149,204	149,204
Accumulated impairment	0	0	$ 0
Net balance at beginning of period	149,204	149,204
Additions	0	0
Impairments	0	0
Foreign currency translation	0	0
Purchase price adjustment (1)	0	0
Net balance at end of period	$ 149,204	$ 149,204
Distribution \| Minimum
Goodwill [Roll Forward]
Reporting unit, percentage of fair value in excess of carrying amount	68.00%
Aerosystems \| Minimum
Goodwill [Roll Forward]
Reporting unit, percentage of fair value in excess of carrying amount	25.00%	4.00%

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Percentage of fair value of reporting unit in excess of carrying amount.

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