General and Summary of Significant Accounting Policies Property and Equipment #1 (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Total property and equipment, cost	$ 243,955	$ 223,048
Accumulated Depreciation	158,259	148,728
Net property and equipment	85,696	74,320
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, cost	96,536	96,909
Land, Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, cost	63,524	56,716
Molds [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, cost	39,014	36,436
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, cost	3,243	3,638
Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, cost	26,458	23,346
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, cost	$ 15,180	$ 6,003