Summary of Operations and Significant Accounting Policies - Additional Information (Details)	3 Months Ended	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2018 USD ($) Segment	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Summary Of Operations And Significant Accounting Policies [Line Items]
Product returns and other allowances		$ 158,800,000	$ 158,100,000	$ 132,900,000
Allowance for doubtful accounts	$ 4,100,000	$ 4,100,000	4,500,000
Number of operating segment | Segment		1
Impairment of goodwill		$ 0	$ 0	$ 0
U.S. federal corporate tax rate		21.00%	35.00%	35.00%
Adjustment to tax expense related to the Tax Act	2,762,000
Cost of goods sold		$ 778,713,000	$ 697,428,000	$ 655,239,000
Foreign exchange transaction (losses) gains		(3,701,000)	(7,995,000)	2,171,000
Accumulated other comprehensive loss	101,846,000	101,846,000	83,480,000	112,700,000
Accounting Standards Update 2016-18
Summary Of Operations And Significant Accounting Policies [Line Items]
Restricted cash	$ 800,000	$ 800,000	1,400,000
Accounting Standards Update 2017-07 | Other income (expense)
Summary Of Operations And Significant Accounting Policies [Line Items]
Effect of the adoption in Consolidated Statements of Income			1,000,000
Restricted Stock
Summary Of Operations And Significant Accounting Policies [Line Items]
Requisite service period		4 years
Shipping and Handling
Summary Of Operations And Significant Accounting Policies [Line Items]
Cost of goods sold		$ 14,800,000	$ 15,200,000	14,200,000
Minimum | Accounting Standards Update 2016-02
Summary Of Operations And Significant Accounting Policies [Line Items]
Addition to operating lease assets		$ 47,000,000
Minimum | Building
Summary Of Operations And Significant Accounting Policies [Line Items]
Estimated useful lives		20 years
Minimum | Machinery and Equipment
Summary Of Operations And Significant Accounting Policies [Line Items]
Estimated useful lives		3 years
Minimum | Leaseholds and Leasehold Improvements
Summary Of Operations And Significant Accounting Policies [Line Items]
Estimated useful lives		3 years
Maximum | Accounting Standards Update 2017-07 | Other income (expense)
Summary Of Operations And Significant Accounting Policies [Line Items]
Effect of the adoption in Consolidated Statements of Income				$ 100,000
Maximum | Accounting Standards Update 2016-02
Summary Of Operations And Significant Accounting Policies [Line Items]
Addition to operating lease assets		$ 53,000,000
Maximum | Building
Summary Of Operations And Significant Accounting Policies [Line Items]
Estimated useful lives		55 years
Maximum | Machinery and Equipment
Summary Of Operations And Significant Accounting Policies [Line Items]
Estimated useful lives		10 years
Maximum | Leaseholds and Leasehold Improvements
Summary Of Operations And Significant Accounting Policies [Line Items]
Estimated useful lives		5 years