Annual report pursuant to Section 13 and 15(d)

ACCOUNTING CHANGE FOR SHIPPING AND HANDLING COSTS (Details)

v2.4.0.6
ACCOUNTING CHANGE FOR SHIPPING AND HANDLING COSTS (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
ACCOUNTING CHANGE FOR SHIPPING AND HANDLING                      
Impact of change in accounting principle on cost of sales and selling, general and administrative expenses $ 5,281                    
Impact of change in accounting principle                      
Cost of sales 23,841 23,144 22,610 23,729 21,911 21,957 22,040 23,501 93,324 89,409 89,264
Selling, general and administrative 27,719 26,228 26,530 26,384 27,086 26,767 28,329 27,424 106,861 109,606 119,024
Under Previous Method
                      
Impact of change in accounting principle                      
Cost of sales                 71,719 69,410 69,040
Selling, general and administrative                 128,466 129,605 139,248
Difference
                      
Impact of change in accounting principle                      
Cost of sales                 21,605 19,999 20,224
Selling, general and administrative                 (21,605) (19,999) (20,224)
Change in the method of accounting of shipping and handling costs
                      
ACCOUNTING CHANGE FOR SHIPPING AND HANDLING                      
Impact of change in accounting principle on cost of sales and selling, general and administrative expenses                   19,999 20,224
Change in the method of accounting of shipping and handling costs | Under Previous Method
                      
ACCOUNTING CHANGE FOR SHIPPING AND HANDLING                      
Shipping and handling costs                 12,231 11,245 10,310
Change in the method of accounting of shipping and handling costs | Difference
                      
ACCOUNTING CHANGE FOR SHIPPING AND HANDLING                      
Shipping and handling costs                 9,374 8,754 9,914
Impact of change in accounting principle on cost of sales and selling, general and administrative expenses                 $ 21,605