Income Taxes	9 Months Ended
Sep. 30, 2015
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective income tax rate was 24.2% for the three months ended September 30, 2015. The effective income tax rate for the three months ended September 30, 2015 was below the U.S. federal statutory rate of 35.0% primarily due to the benefit of state tax credits, the domestic manufacturing deduction, income attributable to noncontrolling interests, the foreign earnings rate differential, the increased benefit in certain prior years' deductions due to a change in the calculation methodology of the domestic manufacturing deduction and adjustments related to prior years' tax returns as filed, partially offset by state income taxes. The effective income tax rate was 42.2% for the three months ended September 30, 2014. The effective income tax rate for the three months ended September 30, 2014 was above the U.S. federal statutory rate of 35.0% primarily due to state income taxes, partially offset by the domestic manufacturing deduction. The effective income tax rate was 30.1% for the nine months ended September 30, 2015. The effective income tax rate for the 2015 period was below the U.S. federal statutory rate of 35.0% primarily due to the benefit of state tax credits, the domestic manufacturing deduction, income attributable to noncontrolling interests, the non-recognition of tax related to the bargain purchase of a controlling interest in Suzhou Huasu Plastics Co., Ltd., the increased benefit in certain prior years' deductions due to a change in the calculation methodology of the domestic manufacturing deduction and adjustments related to prior years' tax returns as filed and the foreign earnings rate differential, partially offset by state income taxes. The effective income tax rate was 37.6% for the nine months ended September 30, 2014. The effective income tax rate for the 2014 period was above the U.S. federal statutory rate of 35.0% primarily due to state income taxes, partially offset by the domestic manufacturing deduction. There were no unrecognized tax benefits for the nine months ended September 30, 2015. The Company recognizes penalties and interest accrued related to unrecognized tax benefits in income tax expense. As of September 30, 2015, the Company had no accrued interest and penalties related to uncertain tax positions. The Company files income tax returns in the U.S. federal jurisdiction, various states and foreign jurisdictions. The Company is no longer subject to examinations by tax authorities before the year 2010.

Income Taxes

The effective income tax rate was 24.2% for the three months ended September 30, 2015. The effective income tax rate for the three months ended September 30, 2015 was below the U.S. federal statutory rate of 35.0% primarily due to the benefit of state tax credits, the domestic manufacturing deduction, income attributable to noncontrolling interests, the foreign earnings rate differential, the increased benefit in certain prior years' deductions due to a change in the calculation methodology of the domestic manufacturing deduction and adjustments related to prior years' tax returns as filed, partially offset by state income taxes. The effective income tax rate was 42.2% for the three months ended September 30, 2014. The effective income tax rate for the three months ended September 30, 2014 was above the U.S. federal statutory rate of 35.0% primarily due to state income taxes, partially offset by the domestic manufacturing deduction.

The effective income tax rate was 30.1% for the nine months ended September 30, 2015. The effective income tax rate for the 2015 period was below the U.S. federal statutory rate of 35.0% primarily due to the benefit of state tax credits, the domestic manufacturing deduction, income attributable to noncontrolling interests, the non-recognition of tax related to the bargain purchase of a controlling interest in Suzhou Huasu Plastics Co., Ltd., the increased benefit in certain prior years' deductions due to a change in the calculation methodology of the domestic manufacturing deduction and adjustments related to prior years' tax returns as filed and the foreign earnings rate differential, partially offset by state income taxes. The effective income tax rate was 37.6% for the nine months ended September 30, 2014. The effective income tax rate for the 2014 period was above the U.S. federal statutory rate of 35.0% primarily due to state income taxes, partially offset by the domestic manufacturing deduction.

There were no unrecognized tax benefits for the nine months ended September 30, 2015. The Company recognizes penalties and interest accrued related to unrecognized tax benefits in income tax expense. As of September 30, 2015, the Company had no accrued interest and penalties related to uncertain tax positions.

The Company files income tax returns in the U.S. federal jurisdiction, various states and foreign jurisdictions. The Company is no longer subject to examinations by tax authorities before the year 2010.