Acquisitions - Allocation of the purchase price and the estimated non-deductible goodwill and other intangibles (Details) (USD $)	0 Months Ended
	Jul. 02, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jul. 31, 2012	Oct. 31, 2012
Liabilities assumed:
Goodwill		$ 66,639,000	$ 51,075,000	$ 51,246,000
Scepter [Member]
Business Acquisition [Line Items]
Business Acquisition, Goodwill, Expected Tax Deductible Amount	16,400,000
Assets acquired:
Current assets	34,572,000
Property, plant and equipment	44,613,000
Intangible assets	66,500,000
Assets acquired	145,685,000
Liabilities assumed:
Current liabilities	8,877,000
Total liabilities assumed	8,877,000
Goodwill	19,812,000
Total consideration	156,620,000
Intangible assets subject to amortization:	57,600,000
Palsticos Novel S.A. [Member]
Assets acquired:
Intangible assets					5,800,000
Liabilities assumed:
Goodwill					9,800,000
Jamco [Member]
Assets acquired:
Intangible assets						5,700,000
Liabilities assumed:
Goodwill						7,400,000
Trademarks and Trade Names [Member] | Scepter [Member]
Liabilities assumed:
Intangible assets not subject to amortization:	8,900,000
Technology [Member]
Liabilities assumed:
Estimated useful life	10 years
Technology [Member] | Scepter [Member]
Liabilities assumed:
Intangible assets subject to amortization:	22,300,000
Customer Relationships [Member]
Liabilities assumed:
Estimated useful life	6 years
Customer Relationships [Member] | Scepter [Member]
Liabilities assumed:
Intangible assets subject to amortization:	35,300,000