Annual report pursuant to Section 13 and 15(d)

Quarterly Results (Unaudited) (Schedule Of Quarterly Results) (Details)

v3.6.0.2
Quarterly Results (Unaudited) (Schedule Of Quarterly Results) (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2016
Feb. 28, 2015
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Quarterly Financial Data [Abstract]                          
Net sales $ 15,000   $ 1,073,389 $ 823,023 $ 854,308 $ 816,765 $ 1,098,178 $ 864,868 $ 885,642 $ 841,887 $ 3,567,485 $ 3,690,575 $ 3,587,995
Gross Profit     335,290 280,076 311,824 289,478 371,546 306,274 336,537 300,206 1,216,668 1,314,563 1,273,062
Operating Income (Loss)     72,890 36,875 46,214 49,829 98,488 57,833 70,703 57,009 205,807 284,034 284,609
Net income     $ 43,520 $ 20,158 $ 26,445 $ 28,585 $ 59,710 $ 34,208 $ 41,632 $ 33,689 $ 118,708 $ 169,239 $ 172,984
Basic (usd per share)     $ 0.83 $ 0.39 $ 0.50 $ 0.55 $ 1.14 $ 0.65 $ 0.79 $ 0.64 $ 2.27 $ 3.22 $ 3.28
Diluted (usd per share)     0.82 0.38 0.50 0.54 1.12 0.64 0.78 0.63 2.25 3.16 3.23
Dividends declared per common share (usd per share)   $ 10.00 $ 0.35 $ 0.35 $ 0.35 $ 0.35 $ 0.35 $ 0.35 $ 0.35 $ 10.35 $ 1.40 $ 11.40 $ 1.1
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down         $ 20,400                
Business Exit Costs                 $ 3,000     $ 5,208  
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal       $ 11,200             $ (10,800)    
Asset impairment             $ 1,700 $ 5,000     $ 6,700    
Impairment Effect on Earnings Per Share, Pretax               $ 0.06          
Impact of SCO implementation on gross profit     $ 13,000                    
Impact of SCO implementation on operating expenses     $ 3,000                    
Severance Costs             $ 2,000            
Proforma adjustment, after tax, per share     $ 0.19 $ 0.13 $ 0.24   $ 0.02   $ 0.03