Business Acquisition (Summary of operational results of AAC) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended												9 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	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Net sales	$ 213,000	$ 191,300	$ 203,200	$ 172,300	$ 177,500	$ 178,800	$ 172,300	$ 181,300	$ 191,600	$ 179,900	$ 193,500	$ 180,300		$ 779,839	$ 709,868	$ 745,345
Operating loss														91,776	63,895	71,360
Loss before income taxes														78,266	51,478	67,500
Net loss attributable to the Company	$ 15,800	$ 13,100	$ 10,400	$ 13,500	$ 37,600	$ 9,700	$ (2,200)	$ 12,200	$ 8,000	$ 11,800	$ 11,200	$ 10,600		$ 52,733	$ 57,279	$ 41,569
Loss per share:
Basic	$ 0.49	$ 0.41	$ 0.32	$ 0.42	$ 1.18	$ 0.30	$ (0.07)	$ 0.38	$ 0.26	$ 0.37	$ 0.35	$ 0.33		$ 1.64	$ 1.79	$ 1.31
Diluted	$ 0.49	$ 0.41	$ 0.32	$ 0.42	$ 1.18	$ 0.30	$ (0.07)	$ 0.38	$ 0.25	$ 0.37	$ 0.35	$ 0.33		$ 1.64	$ 1.79	$ 1.30
Albany Aerostructures Composites LLC (AAC) [Member]
Business Acquisition [Line Items]
Net sales													$ 67,011
Operating loss													(1,246)
Loss before income taxes													(2,342)
Net loss attributable to the Company													$ (1,495)
Loss per share:
Basic													$ (0.05)
Diluted													$ (0.05)