Segments and Geographical Information - Segment Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
|
Segment Reporting Information [Line Items] | ||||
Net revenues | $ 505,289 | $ 385,267 | $ 1,432,472 | $ 1,052,090 |
Gross profit | 371,781 | 292,488 | 1,064,771 | 799,030 |
Income from operations | 125,208 | 98,763 | 346,091 | 244,005 |
Interest income | 2,234 | 1,826 | 6,327 | 4,462 |
Depreciation and amortization | 14,119 | 9,972 | 38,185 | 26,715 |
Other income (expense), net | (837) | 1,924 | (7,759) | 4,145 |
Net income before provision for income taxes and equity in losses of investee | 126,605 | 102,513 | 344,659 | 252,612 |
Operating segments | ||||
Segment Reporting Information [Line Items] | ||||
Income from operations | 214,165 | 168,139 | 599,658 | 431,588 |
Clear Aligner | ||||
Segment Reporting Information [Line Items] | ||||
Net revenues | 427,087 | 341,611 | 1,245,833 | 945,046 |
Gross profit | 321,772 | 266,285 | 950,360 | 737,046 |
Income from operations | 182,667 | 154,614 | 534,408 | 403,264 |
Depreciation and amortization | 7,218 | 5,643 | 20,361 | 15,607 |
Scanner | ||||
Segment Reporting Information [Line Items] | ||||
Net revenues | 78,202 | 43,656 | 186,639 | 107,044 |
Gross profit | 50,009 | 26,203 | 114,411 | 61,984 |
Income from operations | 31,498 | 13,525 | 65,250 | 28,324 |
Depreciation and amortization | 1,237 | 1,130 | 3,510 | 3,248 |
Unallocated corporate expenses | ||||
Segment Reporting Information [Line Items] | ||||
Income from operations | (88,957) | (69,376) | (253,567) | (187,583) |
Depreciation and amortization | $ 5,664 | $ 3,199 | $ 14,314 | $ 7,860 |