Restructuring - Actual and Estimated Pre-tax Expenses (Details) - Technical Nonwovens $ in Thousands	Jun. 30, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Total pre-tax expense incurred	$ 293
Estimated remaining expense at June 30, 2017	4,700
Total estimated pre-tax expense	4,993
Severance and Related Expenses
Restructuring Cost and Reserve [Line Items]
Total pre-tax expense incurred	74
Estimated remaining expense at June 30, 2017	1,600
Total estimated pre-tax expense	1,674
Contract Termination Expenses
Restructuring Cost and Reserve [Line Items]
Total pre-tax expense incurred	185
Estimated remaining expense at June 30, 2017	50
Total estimated pre-tax expense	235
Facility Exit, Move and Set-up Expenses
Restructuring Cost and Reserve [Line Items]
Total pre-tax expense incurred	34
Estimated remaining expense at June 30, 2017	3,050
Total estimated pre-tax expense	$ 3,084