v2.4.0.8
Condensed Consolidating Financial Information Condensed Consolidating Statements of Income (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Condensed Financial Statements, Captions [Line Items]                            
Revenue $ 1,298,094 $ 1,067,915 [1] $ 1,016,707 [1] $ 1,006,531 [1] $ 1,031,777 [1] $ 939,632 $ 783,898 $ 759,684 $ 786,648 $ 3,745,839 $ 3,055,015 $ 4,122,930 $ 3,269,862 $ 2,469,881
Cost of goods sold 780,187   607,002             2,216,110 1,775,996 2,398,790 1,877,869 1,376,401
Gross margin 517,907 445,121 [1] 409,705 [1] 421,931 [1] 447,383 [1] 391,789 334,322 322,236 343,646 1,529,729 1,279,019 1,724,140 1,391,993 1,093,480
Facility and warehouse expenses 108,349   86,739             311,480 254,039 347,917 293,423 233,993
Distribution expenses 109,593   93,652             320,033 277,391 375,835 287,626 212,718
Selling, general and administrative expenses 153,546   121,049             436,614 364,461 495,591 391,942 310,228
Restructuring and acquisition related expenses 2,206   116             7,391 2,558 2,751 7,590 668
Depreciation and amortization 20,818   16,715             57,850 46,961 64,093 49,929 37,996
Operating income 123,395 104,344 [1] 91,434 [1] 108,567 [1] 133,608 [1] 90,138 85,488 78,486 107,371 396,361 333,609 437,953 361,483 297,877
Other expense (income):                            
Interest expense                       31,429 24,307 29,765
Interest expense, net 15,200   7,964             36,287 22,687 31,215 22,447 28,316
Intercompany interest (income) expense, net 0   0             0 0 0 0 0
Loss on debt extinguishment 0   0             2,795 0 0 5,345 0
Change in fair value of contingent consideration liabilities 712 (200) 1,892 1,200 (1,300) 200   (1,600)   1,765 1,787 1,643 (1,408) 0
Interest and other income, net (1,562)   (1,674)             (1,737) (3,413) (4,286) (2,532) (2,013)
Total other expense, net 14,350   8,182             39,110 21,061 28,786 25,712 27,752
Income from continuing operations before provision for income taxes 109,045   83,252             357,251 312,548 409,167 335,771 270,125
Provision for income taxes 35,600   29,204             123,492 113,511 147,942 125,507 103,007
Equity in earnings of subsidiaries 0   0             0 0 0 0 0
Income from continuing operations                       261,225 210,264 167,118
Discontinued operations:                            
Income from discontinued operations, net of taxes                       0 0 224
Gain on sale of discontinued operations, net of taxes                       0 0 1,729
Income from discontinued operations                       0 0 1,953
Net income 73,445 62,188 [1] 54,048 [1] 63,998 [1] 80,991 [1] 56,145 49,231 46,706 58,182 233,759 199,037 261,225 210,264 169,071
Parent Company
                           
Condensed Financial Statements, Captions [Line Items]                            
Revenue 0   0             0 0 0 0 0
Cost of goods sold 0   0             0 0 0 0 0
Gross margin 0   0             0 0 0 0 0
Facility and warehouse expenses 0   0             0 0 0 0 0
Distribution expenses 0   0             0 0 0 0 0
Selling, general and administrative expenses 6,813   4,876             20,130 16,082 21,098 22,680 20,873
Restructuring and acquisition related expenses 0   0             0 0 0 0 0
Depreciation and amortization 65   75             187 222 296 239 93
Operating income (6,878)   (4,951)             (20,317) (16,304) (21,394) (22,919) (20,966)
Other expense (income):                            
Interest expense                       24,272 21,839 28,069
Interest expense, net 13,335   6,350             29,589 18,262      
Intercompany interest (income) expense, net (13,028)   (9,367)             (34,318) (27,964) (37,491) (36,018) (35,967)
Loss on debt extinguishment                   2,795     5,345  
Change in fair value of contingent consideration liabilities 0   0             0 0 0 (2,000)  
Interest and other income, net 45   (38)             172 (32) (43) (332) (129)
Total other expense, net 352   (3,055)             (1,762) (9,734) (13,262) (11,166) (8,027)
Income from continuing operations before provision for income taxes (7,230)   (1,896)             (18,555) (6,570) (8,132) (11,753) (12,939)
Provision for income taxes (2,867)   (1,228)             (7,199) (2,924) (3,287) (6,034) (6,238)
Equity in earnings of subsidiaries 77,808   54,716             245,115 202,683 266,070 215,983 175,772
Income from continuing operations                           169,071
Discontinued operations:                            
Income from discontinued operations, net of taxes                           0
Gain on sale of discontinued operations, net of taxes                           0
Income from discontinued operations                           0
Net income 73,445   54,048             233,759 199,037 261,225 210,264 169,071
Guarantor Subsidiaries
                           
Condensed Financial Statements, Captions [Line Items]                            
Revenue 876,862   791,672             2,698,008 2,415,328 3,236,507 2,975,275 2,370,488
Cost of goods sold 522,176   477,842             1,593,764 1,410,926 1,886,098 1,721,419 1,324,924
Gross margin 354,686   313,830             1,104,244 1,004,402 1,350,409 1,253,856 1,045,564
Facility and warehouse expenses 79,565   72,037             240,389 211,861 287,036 261,260 218,384
Distribution expenses 73,752   69,758             224,266 210,315 281,011 257,395 202,649
Selling, general and administrative expenses 93,549   85,360             282,364 256,001 346,596 321,403 272,797
Restructuring and acquisition related expenses 411   70             750 1,808 1,812 3,438 668
Depreciation and amortization 14,014   12,642             41,568 36,703 49,782 44,724 36,184
Operating income 93,395   73,963             314,907 287,714 384,172 365,636 314,882
Other expense (income):                            
Interest expense                       308 99 560
Interest expense, net 81   47             621 20      
Intercompany interest (income) expense, net 5,593   7,124             16,901 20,987 27,377 31,036 34,816
Loss on debt extinguishment                   0     0  
Change in fair value of contingent consideration liabilities (72)   (148)             (936) (83) (1,943) 11  
Interest and other income, net (912)   (1,220)             (2,380) (2,665) (3,638) (1,979) (1,548)
Total other expense, net 4,690   5,803             14,206 18,259 22,104 29,167 33,828
Income from continuing operations before provision for income taxes 88,705   68,160             300,701 269,455 362,068 336,469 281,054
Provision for income taxes 33,973   27,844             115,625 106,473 140,150 128,930 108,737
Equity in earnings of subsidiaries 5,656   4,113             15,496 9,449 12,481 3,036 64
Income from continuing operations                           172,381
Discontinued operations:                            
Income from discontinued operations, net of taxes                           224
Gain on sale of discontinued operations, net of taxes                           1,729
Income from discontinued operations                           1,953
Net income 60,388   44,429             200,572 172,431 234,399 210,575 174,334
Non-Guarantor Subsidiaries
                           
Condensed Financial Statements, Captions [Line Items]                            
Revenue 450,505   249,248             1,133,369 709,201 976,710 370,912 113,369
Cost of goods sold 287,284   153,373             707,884 434,584 602,979 232,775 65,453
Gross margin 163,221   95,875             425,485 274,617 373,731 138,137 47,916
Facility and warehouse expenses 28,784   14,702             71,091 42,178 60,881 32,163 15,609
Distribution expenses 35,841   23,894             95,767 67,076 94,824 30,231 10,069
Selling, general and administrative expenses 53,184   30,813             134,120 92,378 127,897 47,859 16,558
Restructuring and acquisition related expenses 1,795   46             6,641 750 939 4,152 0
Depreciation and amortization 6,739   3,998             16,095 10,036 14,015 4,966 1,719
Operating income 36,878   22,422             101,771 62,199 75,175 18,766 3,961
Other expense (income):                            
Interest expense                       6,849 2,369 1,136
Interest expense, net 1,784   1,567             6,077 4,405      
Intercompany interest (income) expense, net 7,435   2,243             17,417 6,977 10,114 4,982 1,151
Loss on debt extinguishment                   0     0  
Change in fair value of contingent consideration liabilities 784   2,040             2,701 1,870 3,586 581  
Interest and other income, net (695)   (416)             471 (716) (605) (221) (336)
Total other expense, net 9,308   5,434             26,666 12,536 19,944 7,711 1,951
Income from continuing operations before provision for income taxes 27,570   16,988             75,105 49,663 55,231 11,055 2,010
Provision for income taxes 4,494   2,588             15,066 9,962 11,079 2,611 508
Equity in earnings of subsidiaries 0   0             0 0 0 0 0
Income from continuing operations                           1,502
Discontinued operations:                            
Income from discontinued operations, net of taxes                           0
Gain on sale of discontinued operations, net of taxes                           0
Income from discontinued operations                           0
Net income 23,076   14,400             60,039 39,701 44,152 8,444 1,502
Consolidation, Eliminations
                           
Condensed Financial Statements, Captions [Line Items]                            
Revenue (29,273)   (24,213)             (85,538) (69,514) (90,287) (76,325) (13,976)
Cost of goods sold (29,273)   (24,213)             (85,538) (69,514) (90,287) (76,325) (13,976)
Gross margin 0   0             0 0 0 0 0
Facility and warehouse expenses 0   0             0 0 0 0 0
Distribution expenses 0   0             0 0 0 0 0
Selling, general and administrative expenses 0   0             0 0 0 0 0
Restructuring and acquisition related expenses 0   0             0 0 0 0 0
Depreciation and amortization 0   0             0 0 0 0 0
Operating income 0   0             0 0 0 0 0
Other expense (income):                            
Interest expense                       0 0 0
Interest expense, net 0   0             0 0      
Intercompany interest (income) expense, net 0   0             0 0 0 0 0
Loss on debt extinguishment                   0     0  
Change in fair value of contingent consideration liabilities 0   0             0 0 0 0  
Interest and other income, net 0   0             0 0 0 0 0
Total other expense, net 0   0             0 0 0 0 0
Income from continuing operations before provision for income taxes 0   0             0 0 0 0 0
Provision for income taxes 0   0             0 0 0 0 0
Equity in earnings of subsidiaries (83,464)   (58,829)             (260,611) (212,132) (278,551) (219,019) (175,836)
Income from continuing operations                           (175,836)
Discontinued operations:                            
Income from discontinued operations, net of taxes                           0
Gain on sale of discontinued operations, net of taxes                           0
Income from discontinued operations                           0
Net income $ (83,464)   $ (58,829)             $ (260,611) $ (212,132) $ (278,551) $ (219,019) $ (175,836)
[1] Gross margin and operating income during the quarters ended March 31, 2012, June 30, 2012, September 30, 2012 and December 31, 2012 include gains of $8.3 million, $8.4 million, $0.5 million and $0.7 million, respectively, resulting from lawsuit settlements with certain of our aftermarket product suppliers as discussed in Note 8, "Commitments and Contingencies."