Pro Forma Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 28, 2014	Jun. 30, 2015	Jun. 28, 2014
Business Acquisition [Line Items]
Sales Revenue, Goods, Net	$ 457,694	$ 439,898	$ 918,932	$ 862,482
Gross Profit	$ 105,524	86,586	$ 210,942	161,051
Fiberweb and Providencia [Member] [Member]
Business Acquisition [Line Items]
Net sales		496,141
Net income (loss)		(36,496)
Companhia Providencia Industria e Comercio [Member]
Business Acquisition [Line Items]
Net sales				1,008,246
Net income (loss)				(56,251)
Companhia Providencia Industria e Comercio [Member]
Business Acquisition [Line Items]
Sales Revenue, Goods, Net		68,400		142,000
Gross Profit		$ 6,500		$ 19,800