Subsequent Events (Notes)	9 Months Ended
Sep. 30, 2015
Subsequent Event [Line Items]
Subsequent Events [Text Block]	Subsequent Events Acquisition of Argotec Intermediate Holdings LLC On October 28, 2015, the Company completed the acquisition of all of the equity interests in Argotec Intermediate Holdings LLC, or Argotec, a manufacturer of highly engineered thermoplastic polyurethane films for demanding specialty applications in surface protection, glass lamination and medical products, pursuant to that certain Equity Interest Purchase Agreement, or Purchase Agreement, with SWM-Argotec, LLC, a Delaware limited liability company and indirect wholly-owned subsidiary of the Company, Argotec Intermediate Holdings Two LLC, a Delaware limited liability company ("Seller"), Argotec, Argotec LLC, a Delaware limited liability company, Argotec Holdings LLC, a Delaware limited liability company and certain equity holders of Argotec Holdings LLC. The purchase price to acquire Argotec and its subsidiaries was $280 million in cash, or the Base Purchase Price, subject to certain customary adjustments, in each case upon the terms and subject to the conditions contained in the Purchase Agreement. Five percent of the Base Purchase Price was placed in an escrow fund to secure the indemnification obligations of Seller for a period of 15 months following the closing of the transaction. Seller’s indemnification obligations for breaches of its representations and warranties will be subject to an aggregate cap equal to eight percent of the Base Purchase Price, a per-claim threshold of $35 thousand and an aggregate deductible of one percent of the Base Purchase Price, subject to certain exclusions. Representations and warranties of Seller will generally survive for 15 months after closing, subject to a longer survival period for certain specified representations. Amendment and Restatement of Credit Facility On October 28, 2015, the Company entered into a Second Amended and Restated Credit Agreement, or the Amended Credit Agreement, providing for credit facilities in the aggregate principal amount of $1 billion, consisting of a $650 million Revolving Credit Facility, available to the Company and certain of its foreign subsidiaries; a $100 million Term Loan A-1 made to the Company; and a $250 million Term Loan A-2 made to the Company. The Revolving Credit Facility matures on October 28, 2020. The Term Loan A-1 amortizes at the rate of 5% for the first 2 years, at the rate of 10% for the final three years and matures on October 28, 2020. The Term Loan A-2 amortizes at the rate of 1% per year and matures on October 28, 2022. The Term Loans are generally subject to mandatory repayment out of the net cash proceeds of asset sales which are not reinvested in operating assets. The credit facilities are secured by substantially all of the personal property of the Company and its domestic subsidiaries and the obligations of the Company's foreign subsidiaries under the Revolving Credit Facility are also secured by certain assets of such foreign subsidiaries. The Amended Credit Agreement amends and restates the Company’s Amended and Restated Credit Agreement, dated as of December 11, 2013, which provided for a $500.0 million unsecured revolving credit facility which was scheduled to mature on December 11, 2018. The interest rate margins applicable to the Revolving Credit Facility and the Term Loans under the Amended Credit Agreement will be based on a fluctuating rate of interest measured by reference to either, at the Company's option, (i) a base rate, plus an applicable margin, which ranges from 0.25% to 1.25%, in the case of the Revolving Credit Facility and Term Loan A-1, and from 0.50% to 1.50%, in the case of Term Loan A-2, or (ii) an adjusted London interbank offered rate (adjusted for maximum reserves) (“LIBOR”), plus an applicable margin, which ranges from 1.25% to 2.25%, in the case of the Revolving Credit Facility and Term Loan A-1, and from 1.50% to 2.50%, in the case of Term Loan A-2. The applicable margin, in each case, will be adjusted from time to time based on the Company's ratio of net debt to EBITDA. The Amended Credit Agreement also contains representations and warranties which are customary for facilities of this type and covenants and provisions that, among other things, require the Company to maintain (a) a maximum net debt to EBITDA ratio of 3.50, reducing to 3.00 after September 30, 2016 and (b) minimum interest coverage of 3.00. The Amended Credit Agreement contains provisions allowing the Company to increase the leverage ratio upon the occurrence of a material acquisition or the occurrence of unsecured indebtedness. On October 28, 2015, the Company borrowed the Term Loans under the Amended Credit Agreement in the aggregate amount of $350 million as well as $329.5 million under the revolving credit facility.

Subsequent Events

Acquisition of Argotec Intermediate Holdings LLC

On October 28, 2015, the Company completed the acquisition of all of the equity interests in Argotec Intermediate Holdings LLC, or Argotec, a manufacturer of highly engineered thermoplastic polyurethane films for demanding specialty applications in surface protection, glass lamination and medical products, pursuant to that certain Equity Interest Purchase Agreement, or Purchase Agreement, with SWM-Argotec, LLC, a Delaware limited liability company and indirect wholly-owned subsidiary of the Company, Argotec Intermediate Holdings Two LLC, a Delaware limited liability company ("Seller"), Argotec, Argotec LLC, a Delaware limited liability company, Argotec Holdings LLC, a Delaware limited liability company and certain equity holders of Argotec Holdings LLC.

The purchase price to acquire Argotec and its subsidiaries was $280 million in cash, or the Base Purchase Price, subject to certain customary adjustments, in each case upon the terms and subject to the conditions contained in the Purchase Agreement. Five percent of the Base Purchase Price was placed in an escrow fund to secure the indemnification obligations of Seller for a period of 15 months following the closing of the transaction. Seller’s indemnification obligations for breaches of its representations and warranties will be subject to an aggregate cap equal to eight percent of the Base Purchase Price, a per-claim threshold of $35 thousand and an aggregate deductible of one percent of the Base Purchase Price, subject to certain exclusions. Representations and warranties of Seller will generally survive for 15 months after closing, subject to a longer survival period for certain specified representations.

Amendment and Restatement of Credit Facility

On October 28, 2015, the Company entered into a Second Amended and Restated Credit Agreement, or the Amended Credit Agreement, providing for credit facilities in the aggregate principal amount of $1 billion, consisting of a $650 million Revolving Credit Facility, available to the Company and certain of its foreign subsidiaries; a $100 million Term Loan A-1 made to the Company; and a $250 million Term Loan A-2 made to the Company. The Revolving Credit Facility matures on October 28, 2020. The Term Loan A-1 amortizes at the rate of 5% for the first 2 years, at the rate of 10% for the final three years and matures on October 28, 2020. The Term Loan A-2 amortizes at the rate of 1% per year and matures on October 28, 2022. The Term Loans are generally subject to mandatory repayment out of the net cash proceeds of asset sales which are not reinvested in operating assets. The credit facilities are secured by substantially all of the personal property of the Company and its domestic subsidiaries and the obligations of the Company's foreign subsidiaries under the Revolving Credit Facility are also secured by certain assets of such foreign subsidiaries. The Amended Credit Agreement amends and restates the Company’s Amended and Restated Credit Agreement, dated as of December 11, 2013, which provided for a $500.0 million unsecured revolving credit facility which was scheduled to mature on December 11, 2018.

The interest rate margins applicable to the Revolving Credit Facility and the Term Loans under the Amended Credit Agreement will be based on a fluctuating rate of interest measured by reference to either, at the Company's option, (i) a base rate, plus an applicable margin, which ranges from 0.25% to 1.25%, in the case of the Revolving Credit Facility and Term Loan A-1, and from 0.50% to 1.50%, in the case of Term Loan A-2, or (ii) an adjusted London interbank offered rate (adjusted for maximum reserves) (“LIBOR”), plus an applicable margin, which ranges from 1.25% to 2.25%, in the case of the Revolving Credit Facility and Term Loan A-1, and from 1.50% to 2.50%, in the case of Term Loan A-2. The applicable margin, in each case, will be adjusted from time to time based on the Company's ratio of net debt to EBITDA.

The Amended Credit Agreement also contains representations and warranties which are customary for facilities of this type and covenants and provisions that, among other things, require the Company to maintain (a) a maximum net debt to EBITDA ratio of 3.50, reducing to 3.00 after September 30, 2016 and (b) minimum interest coverage of 3.00. The Amended Credit Agreement contains provisions allowing the Company to increase the leverage ratio upon the occurrence of a material acquisition or the occurrence of unsecured indebtedness.

On October 28, 2015, the Company borrowed the Term Loans under the Amended Credit Agreement in the aggregate amount of $350 million as well as $329.5 million under the revolving credit facility.