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Guarantor Subsidiaries Financial Information - Income Statement (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Mar. 31, 2019 | Jun. 30, 2018 | Mar. 31, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |
Total net sales | $ 2,236,284 |  | $ 1,111,680 |  | $ 3,829,901 | $ 2,167,857
Total cost of sales | (1,621,608) |  | (787,713) |  | (2,826,208) | (1,533,009)
Gross profit | 614,676 |  | 323,967 |  | 1,003,693 | 634,848
Total operating expenses | (414,039) |  | (200,444) |  | (735,749) | (380,046)
Income from operations | 200,637 |  | 123,523 |  | 267,944 | 254,802
Interest expense, net | (58,560) |  | (31,920) |  | (103,129) | (52,204)
Other income (expense), net | 2,177 |  | 2,171 |  | (6,051) | 4,757
Equity earnings (loss) | 0 |  | 0 |  | 0 | 0
Income from operations before income taxes | 144,254 |  | 93,774 |  | 158,764 | 207,355
Income tax benefit (expense) | (41,400) |  | (10,503) |  | (59,923) | (36,627)
Net income | 102,854 | $ (4,013) | 83,271 | $ 87,457 | 98,841 | 170,728
Less: Net loss attributable to noncontrolling interest | 1,381 |  | 1,145 |  | 922 | 2,054
Net income attributable to Wabtec shareholders | 104,235 |  | 84,416 |  | 99,763 | 172,782
Comprehensive income attributable to Wabtec shareholders | 124,055 |  | (105,801) |  | 67,166 | 61,573
Elimination |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |
Total net sales | (486,942) |  | (68,087) |  | (542,443) | (118,547)
Total cost of sales | 380,167 |  | 38,755 |  | 413,251 | 70,834
Gross profit | (106,775) |  | (29,332) |  | (129,192) | (47,713)
Total operating expenses | 0 |  | 0 |  | 0 | 0
Income from operations | (106,775) |  | (29,332) |  | (129,192) | (47,713)
Interest expense, net | 0 |  | 0 |  | 0 | 0
Other income (expense), net | 0 |  | 0 |  | 0 | 0
Equity earnings (loss) | (269,739) |  | (247,515) |  | (440,980) | (446,319)
Income from operations before income taxes | (376,514) |  | (276,847) |  | (570,172) | (494,032)
Income tax benefit (expense) | 0 |  | 0 |  | 0 | 0
Net income | (376,514) |  | (276,847) |  | (570,172) | (494,032)
Less: Net loss attributable to noncontrolling interest | 0 |  | 0 |  | 0 | 0
Net income attributable to Wabtec shareholders | (376,514) |  | (276,847) |  | (570,172) | (494,032)
Comprehensive income attributable to Wabtec shareholders | (376,514) |  | (276,847) |  | (570,172) | (494,032)
Parent | Reportable Legal Entities |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |
Total net sales | 185,695 |  | 168,426 |  | 378,761 | 329,727
Total cost of sales | (144,237) |  | (122,919) |  | (301,887) | (241,577)
Gross profit | 41,458 |  | 45,507 |  | 76,874 | 88,150
Total operating expenses | (67,447) |  | (49,780) |  | (164,987) | (85,407)
Income from operations | (25,989) |  | (4,273) |  | (88,113) | 2,743
Interest expense, net | (59,365) |  | (31,734) |  | (101,011) | (52,128)
Other income (expense), net | 1,237 |  | 483 |  | 21,570 | 9,212
Equity earnings (loss) | 185,813 |  | 128,744 |  | 277,295 | 235,442
Income from operations before income taxes | 101,696 |  | 93,220 |  | 109,741 | 195,269
Income tax benefit (expense) | 2,538 |  | (7,213) |  | (9,979) | (20,895)
Net income | 104,234 |  | 86,007 |  | 99,762 | 174,374
Less: Net loss attributable to noncontrolling interest | 0 |  | 0 |  | 0 | 0
Net income attributable to Wabtec shareholders | 104,234 |  | 86,007 |  | 99,762 | 174,374
Comprehensive income attributable to Wabtec shareholders | 104,234 |  | 86,231 |  | 99,762 | 174,881
Guarantors | Reportable Legal Entities |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |
Total net sales | 1,104,741 |  | 137,966 |  | 1,233,544 | 256,083
Total cost of sales | (820,294) |  | (88,688) |  | (902,309) | (161,678)
Gross profit | 284,447 |  | 49,278 |  | 331,235 | 94,405
Total operating expenses | (81,933) |  | (12,267) |  | (97,254) | (25,941)
Income from operations | 202,514 |  | 37,011 |  | 233,981 | 68,464
Interest expense, net | 3,116 |  | 3,137 |  | 6,594 | 6,079
Other income (expense), net | (4,217) |  | 0 |  | (6,702) | (679)
Equity earnings (loss) | 83,926 |  | 118,771 |  | 163,685 | 210,877
Income from operations before income taxes | 285,339 |  | 158,919 |  | 397,558 | 284,741
Income tax benefit (expense) | (42,556) |  | 0 |  | (42,556) | 0
Net income | 242,783 |  | 158,919 |  | 355,002 | 284,741
Less: Net loss attributable to noncontrolling interest | 0 |  | 0 |  | 0 | 0
Net income attributable to Wabtec shareholders | 242,783 |  | 158,919 |  | 355,002 | 284,741
Comprehensive income attributable to Wabtec shareholders | 242,783 |  | 158,919 |  | 355,002 | 284,741
Non-Guarantors | Reportable Legal Entities |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |
Total net sales | 1,432,790 |  | 873,375 |  | 2,760,039 | 1,700,594
Total cost of sales | (1,037,244) |  | (614,861) |  | (2,035,263) | (1,200,588)
Gross profit | 395,546 |  | 258,514 |  | 724,776 | 500,006
Total operating expenses | (264,659) |  | (138,397) |  | (473,508) | (268,698)
Income from operations | 130,887 |  | 120,117 |  | 251,268 | 231,308
Interest expense, net | (2,311) |  | (3,323) |  | (8,712) | (6,155)
Other income (expense), net | 5,157 |  | 1,688 |  | (20,919) | (3,776)
Equity earnings (loss) | 0 |  | 0 |  | 0 | 0
Income from operations before income taxes | 133,733 |  | 118,482 |  | 221,637 | 221,377
Income tax benefit (expense) | (1,382) |  | (3,290) |  | (7,388) | (15,732)
Net income | 132,351 |  | 115,192 |  | 214,249 | 205,645
Less: Net loss attributable to noncontrolling interest | 1,381 |  | 1,145 |  | 922 | 2,054
Net income attributable to Wabtec shareholders | 133,732 |  | 116,337 |  | 215,171 | 207,699
Comprehensive income attributable to Wabtec shareholders | $ 153,552 |  | $ (74,104) |  | $ 182,574 | $ 95,983

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