Summary of Operations and Significant Accounting Policies (Details) (USD $) Share data in Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Summary Of Operations And Significant Accounting Policies [Line Items]
Sales Returns And Allowances Goods	$ 86,000,000	$ 68,000,000	$ 48,000,000
Allowance for doubtful accounts	2,000,000	2,000,000	2,000,000
Goodwill Impairment Loss		5,318,000
Weighted average amortization period for amortizable intangible assets	8 years
Impairment of long-lived assets	0
Shipping, Handling and Transportation Costs	11,000,000	10,000,000	6,000,000
Options and share grants outstanding	2	2	2
Foreign exchange transaction losses	2,000,000	1,000,000	2,000,000
Accumulated other comprehensive loss	$ (68,402,000)	$ (44,374,000)	$ (34,000,000)
Restricted Stock
Summary Of Operations And Significant Accounting Policies [Line Items]
Requisite service period	4 years
Building | Minimum
Summary Of Operations And Significant Accounting Policies [Line Items]
Estimated useful lives	20 years
Building | Maximum
Summary Of Operations And Significant Accounting Policies [Line Items]
Estimated useful lives	55 years
Machinery and Equipment | Minimum
Summary Of Operations And Significant Accounting Policies [Line Items]
Estimated useful lives	3 years
Machinery and Equipment | Maximum
Summary Of Operations And Significant Accounting Policies [Line Items]
Estimated useful lives	10 years
Leaseholds and Leasehold Improvements | Minimum
Summary Of Operations And Significant Accounting Policies [Line Items]
Estimated useful lives	3 years
Leaseholds and Leasehold Improvements | Maximum
Summary Of Operations And Significant Accounting Policies [Line Items]
Estimated useful lives	5 years