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Retirement Plans - Information about multi-employer benefit plans (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Multi-Employer Benefit Plans  
Domestic employees represented by various labor unions with separate collective bargaining agreements (as a percent) 68.00%
Maximum [Member]
 
Multi-Employer Benefit Plans  
Total contributions for most recent plan year available 5.00%
Red Zone | Maximum [Member]
 
Multi-Employer Benefit Plans  
Multi-employer plans funded status (as a percent) 65.00%
Yellow Zone
 
Multi-Employer Benefit Plans  
The time in which a Multi-employer plan is projected to be a credit balance 7 years
Yellow Zone | Minimum [Member]
 
Multi-Employer Benefit Plans  
Multi-employer plans funded status (as a percent) 80.00%
Green Zone
 
Multi-Employer Benefit Plans  
The time in which a Multi-employer plan is projected not to be a credit balance 7 years
Green Zone | Minimum [Member]
 
Multi-Employer Benefit Plans  
Multi-employer plans funded status (as a percent) 80.00%
Multi-employer retirement plan
 
Multi-Employer Benefit Plans  
Number of domestic manufacturing facilities, employees working at are covered by union sponsored multiemployer plans 10
Expenses recognized for contributions $ 3,900,000
United Furniture Workers Pension Fund A
 
Multi-Employer Benefit Plans  
Expenses recognized for contributions 700,000.0
Surcharge (as a percent) 10.00%
Pension Plan of the National Retirement Fund
 
Multi-Employer Benefit Plans  
Expenses recognized for contributions 700,000.0
Surcharge (as a percent) 10.00%
Multi-employer health and welfare plan
 
Multi-Employer Benefit Plans  
Number of domestic manufacturing facilities, employees working at are covered by union sponsored multiemployer plans 3
Expenses recognized for contributions $ 2,200,000