Business Acquisitions - Schedule of Intangible Assets Acquired (Details) - USD ($) $ in Thousands	Oct. 12, 2016	Apr. 02, 2017	Dec. 31, 2016
Schedule of Finite and Indefinite-Lived Intangibles Acquired as Part of Business Combination [Line Items]
Goodwill		$ 206,795	$ 206,659
Downstream [Member]
Schedule of Finite and Indefinite-Lived Intangibles Acquired as Part of Business Combination [Line Items]
Goodwill	$ 91,634
Downstream [Member] | Customer relationships [Member]
Schedule of Finite and Indefinite-Lived Intangibles Acquired as Part of Business Combination [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	49,600
Downstream [Member] | Order backlog [Member]
Schedule of Finite and Indefinite-Lived Intangibles Acquired as Part of Business Combination [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	2,100
Downstream [Member] | Acquired technology [Member]
Schedule of Finite and Indefinite-Lived Intangibles Acquired as Part of Business Combination [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 25,800
Schroedahl [Member] | Customer relationships [Member]
Schedule of Finite and Indefinite-Lived Intangibles Acquired as Part of Business Combination [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	14 years
Schroedahl [Member] | Acquired technology [Member]
Schedule of Finite and Indefinite-Lived Intangibles Acquired as Part of Business Combination [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Schroedahl [Member] | Order backlog [Member]
Schedule of Finite and Indefinite-Lived Intangibles Acquired as Part of Business Combination [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	1 year
Trade name [Member] | Downstream [Member]
Schedule of Finite and Indefinite-Lived Intangibles Acquired as Part of Business Combination [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets	$ 24,100