Consolidated Statements of Income - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Net sales $ 1,027,447 $ 917,760 $ 719,509
Cost of sales 608,616 550,893 421,897
Gross profit 418,831 366,867 297,612
Selling, General and Administrative Expense 226,716 187,864 138,986
Provision for legal settlement 32,000 0 0
Operating Income (Loss) 160,115 179,003 158,626
Interest expense 15,091 13,887 20,640
Loss on extinguishment of debt 0 0 15,918
Interest income (294) (173) (125)
Income before income taxes 145,318 165,289 122,193
Total provision 55,930 63,358 43,957
Total income before income taxes $ 89,388 $ 101,931 $ 78,236
Basic net income per share $ 0.46 $ 0.52 $ 0.40
Diluted net income per share $ 0.45 $ 0.52 $ 0.40
Basic weighted average shares 195,933,800 195,735,309 195,619,943
Diluted weighted average shares 198,047,453 197,852,932 196,559,084