XML 33 R12.htm IDEA: XBRL DOCUMENT
v3.20.4

EARNINGS PER SHARE | 12 Months Ended
--- | ---
Dec. 31, 2020
EARNINGS PER SHARE |
EARNINGS PER SHARE | NOTE 3 - EARNINGS PER SHARE The following table sets forth the computation of basic and diluted earnings per share: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ |  | 2020 |  | 2019 |  | 2018
Numerator: |  | ​ |  |  | ​ |  |  | ​ |
Net income | ​ | $ | 206,115 | ​ | $ | 293,109 | ​ | $ | 287,066
Denominator (shares in 000's): | ​ |  |  | ​ |  |  | ​ |  |
Basic weighted average shares outstanding | ​ |  | 59,633 | ​ |  | 61,960 | ​ |  | 64,886
Effect of dilutive securities - Stock options and awards | ​ |  | 615 | ​ |  | 698 | ​ |  | 796
Diluted weighted average shares outstanding | ​ |  | 60,248 | ​ |  | 62,658 | ​ |  | 65,682
Basic earnings per share | ​ | $ | 3.46 | ​ | $ | 4.73 | ​ | $ | 4.42
Diluted earnings per share | ​ | $ | 3.42 | ​ | $ | 4.68 | ​ | $ | 4.37
​ For the years ended December 31, 2020, 2019 and 2018, common shares subject to equity-based awards of 615,302, 524,110 and 324,688, respectively, were excluded from the computation of diluted earnings per share because the effect of their exercise would be anti-dilutive.

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
Name: | us-gaap_EarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration