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Segment Information Segment Information Summary of Geographic Information Regarding Net Sales (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Facilities
Dec. 31, 2012
Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Number of production facilities within the united states                 1    
Net sales $ 470,159 $ 487,845 $ 471,002 $ 460,824 $ 462,701 $ 480,233 $ 473,572 $ 457,798 $ 1,889,830 $ 1,874,304 $ 1,927,973
United States
                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales                 1,751,001 1,726,561 1,751,482
Japan
                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales                 67,728 63,368 63,584
Canada
                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales                 26,161 29,557 31,256
Taiwan
                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales                 1,755 11,061 16,205
Korea
                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales                 10,899 9,655 5,426
Australia
                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales                 7,924 7,786 6,246
Mexico
                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales                 2,964 6,102 13,619
China
                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales                 5,404 3,488 15,081
Other foreign countries
                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales                 $ 15,994 $ 16,726 $ 25,074