Property, Plant and Equipment (Detail) (USD $) In Thousands, unless otherwise specified				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Minimum Building and Building Improvements	Dec. 31, 2013 Minimum Manufacturing Equipment	Dec. 31, 2013 Minimum Molds	Dec. 31, 2013 Minimum Office Furniture and Equipment	Dec. 31, 2013 Maximum Building and Building Improvements	Dec. 31, 2013 Maximum Manufacturing Equipment	Dec. 31, 2013 Maximum Molds	Dec. 31, 2013 Maximum Office Furniture and Equipment
Property, Plant and Equipment [Line Items]
Land	$ 12,866	$ 11,065
Buildings and improvements	109,105	85,239
Manufacturing equipment	168,197	151,559
Molds	76,909	79,959
Office furniture and equipment	70,158	65,950
Construction in progress	33,021	26,551
Property, plant and equipment, gross	470,256	420,323
Less accumulated depreciation	283,816	263,302
Property, plant and equipment, net	$ 186,440	$ 157,021	$ 130,554
Estimated useful lives in years				5 years	5 years	3 years	3 years	35 years	10 years	5 years	8 years