Selected Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Revenues	$ 337,499	$ 341,872	$ 354,473	$ 325,175	$ 321,802	$ 308,524	$ 297,686	$ 293,908	$ 1,359,019	$ 1,221,920	$ 1,333,570
Gross profit	64,190	73,442	79,768	67,412	71,242	66,318	61,190	54,414	284,812	253,164	275,787
Operating income (loss)	(3,956)	(75,009)	21,659	14,133	26,315	20,505	8,145	(4,139)	(43,173)	50,826	19,946
Net income (loss)	$ (12,384)	$ (73,782)	$ 12,178	$ 7,753	$ 18,129	$ 11,787	$ 3,193	$ (3,949)	$ (69,054)	$ 29,488	$ (8,067)
Basic:
Net income (in Dollars per share)	$ (0.39)	$ (2.23)	$ 0.33	$ 0.17	$ 0.52	$ 0.35	$ 0.10	$ (0.11)	$ (2.08)	$ 0.85	$ (0.22)
Diluted earnings per share
Net income (loss) (in Dollars per share)	$ (0.39)	$ (2.23)	$ 0.33	$ 0.17	$ 0.52	$ 0.34	$ 0.10	$ (0.11)	$ (2.08)	$ 0.84	$ (0.22)
Restructuring charges, pre tax	$ 17,100	$ 6,700	$ 300	$ (100)	$ 1,600	$ 900	$ 3,900	$ 9,500
Gain on litigation settlement									$ 0	$ 6,625	$ 0
Goodwill impairment									45,390	0	43,484
Infrastructure Solutions
Segment Reporting Information [Line Items]
Revenues									612,154	571,551	556,234
Operating income (loss)									(61,807)	53,503	$ 46,867
Diluted earnings per share
Impairment of intangible assets									41,000
Gain on litigation settlement										$ 6,600
Goodwill impairment		$ 45,400							$ 45,390
2012 Departure of Key Leaders from Tyfo Fibrwrap
Diluted earnings per share
Gain on litigation settlement					$ 6,600