Quarterly report pursuant to Section 13 or 15(d)

Summary Of Significant Accounting Policies Summary of Adoption of 606 (Details)

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Summary Of Significant Accounting Policies Summary of Adoption of 606 (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Jan. 01, 2018
Dec. 31, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]            
Accounts receivable, net $ 238,675 $ 181,119 $ 238,675 $ 181,119 $ 429,381 $ 364,862
Inventories 570,473 559,544 570,473 559,544 433,890 457,927
Prepaid expenses and other current assets 76,399 42,053 76,399 42,053 70,782 58,559
Total current assets 1,660,217 1,404,946 1,660,217 1,404,946 1,702,202 1,649,497
Total assets 2,246,950 2,011,200 2,246,950 2,011,200 2,288,572 2,212,902
Accrued liabilities 191,511 114,807 191,511 114,807 243,568 182,228
Total current liabilities 486,323 382,933 486,323 382,933 515,206 453,636
Total liabilities 592,575 439,000 592,575 439,000 622,213 560,643
Total liabilities and equity 2,246,950 2,011,200 2,246,950 2,011,200 2,288,572 2,212,902
Net sales 481,619 398,904 1,088,927 942,697    
Gross profit 228,621 180,862 528,059 439,329    
Selling, general and administrative expenses 222,192 $ 200,598 465,560 $ 413,413    
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member]            
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]            
Accounts receivable, net 37,466   37,466   64,519  
Inventories (11,068)   (11,068)   (24,037)  
Prepaid expenses and other current assets 11,068   11,068   24,037  
Total current assets 37,466   37,466   64,519  
Total assets 37,466   37,466   64,000  
Accrued liabilities 37,466   37,466   61,340  
Total current liabilities 37,466   37,466   61,570  
Total liabilities 37,466   37,466   61,570  
Total liabilities and equity 37,466   37,466   $ 64,000  
Net sales 7,487   15,744      
Gross profit 7,487   15,744      
Selling, general and administrative expenses 7,487   15,744      
Calculated under Revenue Guidance in Effect before Topic 606 [Member]            
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]            
Accounts receivable, net 201,209   201,209     364,862
Inventories 581,541   581,541     457,927
Prepaid expenses and other current assets 65,331   65,331     58,559
Total current assets 1,622,751   1,622,751     1,649,497
Total assets 2,209,484   2,209,484     2,212,902
Accrued liabilities 154,045   154,045     182,228
Total current liabilities 448,857   448,857     453,636
Total liabilities 555,109   555,109     560,643
Total liabilities and equity 2,209,484   2,209,484     $ 2,212,902
Net sales 474,132   1,073,183      
Gross profit 221,134   512,315      
Selling, general and administrative expenses $ 214,705   $ 449,816