XML 27 R21.htm IDEA: XBRL DOCUMENT
v3.19.3

Stockholders' Equity (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2019
Equity [Abstract] |
Schedule of Stock Option Plan Activity | The following is a summary of our stock option and restricted stock activity and related information:
| Stock Options |  |  |  | Restricted Stock Awards |  |
| Shares |  | Weighted-Average Exercise Price |  | Shares |  | Weighted-Average Grant Date Fair Value
Balance as of December 31, 2018 | 1,736,304 |  |  | $ | 66.71 |  |  | 132,273 |  |  | $ | 130.63 |
Granted | 319,334 |  |  | $ | 117.07 |  |  | 101,404 |  |  | $ | 113.48 |
Options exercised/RSUs vested | (111,010) |  |  | $ | 23.67 |  |  | (70,166) |  |  | $ | 110.99 |
Forfeited | (5,000) |  |  | $ | 136.72 |  |  | (666) |  |  | $ | 134.36 |
Balance as of September 30, 2019 | 1,939,628 |  |  | $ | 77.24 |  |  | 162,845 |  |  | $ | 128.40 |
Schedule of Restricted Stock Activity | The following is a summary of our stock option and restricted stock activity and related information:
| Stock Options |  |  |  | Restricted Stock Awards |  |
| Shares |  | Weighted-Average Exercise Price |  | Shares |  | Weighted-Average Grant Date Fair Value
Balance as of December 31, 2018 | 1,736,304 |  |  | $ | 66.71 |  |  | 132,273 |  |  | $ | 130.63 |
Granted | 319,334 |  |  | $ | 117.07 |  |  | 101,404 |  |  | $ | 113.48 |
Options exercised/RSUs vested | (111,010) |  |  | $ | 23.67 |  |  | (70,166) |  |  | $ | 110.99 |
Forfeited | (5,000) |  |  | $ | 136.72 |  |  | (666) |  |  | $ | 134.36 |
Balance as of September 30, 2019 | 1,939,628 |  |  | $ | 77.24 |  |  | 162,845 |  |  | $ | 128.40 |

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

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration