XML 58 R41.htm IDEA: XBRL DOCUMENT
v3.10.0.1

STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
STOCK-BASED COMPENSATION |
Schedule of weighted-average assumptions used to estimate the fair value of options granted |
|  | 2018 |  | 2017 |  | 2016 |
Dividend yield |  | 0.0 | % | 0.0 | % | 0.0 | %
Expected volatility |  | 34.7 | % | 36.5 | % | 36.2 | %
Risk-free interest rate |  | 2.81 | % | 2.11 | % | 1.57 | %
Expected term |  | 6.0 Years |  | 6.1 Years |  | 6.3 Years |
Summary of activities with respect to its stock option plans |
|  |  |  |  |  |  | Weighted- |  |  |
|  |  |  | Weighted- |  | Average |  |  |
|  |  |  | Average |  | Remaining |  |  |
|  | Number of |  | Exercise |  | Contractual |  | Aggregate
|  | Shares (In |  | Price Per |  | Term (In |  | Intrinsic
Options |  | thousands) |  | Share |  | years) |  | Value
Outstanding at January 1, 2018 |  | 17,819 |  | $ | 29.62 |  | 6.1 |  | $ | 600,032
Granted 01/01/18 - 03/31/18 |  | 2,615 |  | $ | 58.76 |  |  |  |  |
Granted 04/01/18 - 06/30/18 |  | 360 |  | $ | 51.72 |  |  |  |  |
Granted 07/01/18 - 09/30/18 |  | 11 |  | $ | 58.77 |  |  |  |  |
Granted 10/01/18 - 12/31/18 |  | 194 |  | $ | 55.91 |  |  |  |  |
Exercised |  | (1,450) |  | $ | 19.20 |  |  |  |  |
Cancelled or forfeited |  | (659) |  | $ | 45.22 |  |  |  |  |
Outstanding at December 31, 2018 |  | 18,890 |  | $ | 34.61 |  | 5.8 |  | $ | 303,627
Vested and expected to vest in the future at December 31, 2018 |  | 18,052 |  | $ | 33.83 |  | 5.7 |  | $ | 301,723
Exercisable at December 31, 2018 |  | 10,432 |  | $ | 23.10 |  | 4.1 |  | $ | 272,636
Summary of information about stock options outstanding and exercisable |
|  |  |  |  |  | Options Outstanding |  | Options Exercisable
|  |  |  |  |  |  |  | Weighted |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  | Average |  | Weighted |  | Number |  | Weighted
|  |  |  |  |  | Number |  | Remaining |  | Average |  | Exercisable |  | Average
Range of Exercise |  | Outstanding |  | Contractual |  | Exercise |  | (In |  | Exercise
Prices ($) |  | (In Thousands) |  | Term (Years) |  | Price ($) |  | Thousands) |  | Price ($)
$ | 5.94 | - | $ | 5.94 |  | 3,086 |  | 0.9 |  | $ | 5.94 |  | 3,086 |  | $ | 5.94
$ | 6.02 | - | $ | 17.99 |  | 2,109 |  | 4.0 |  | $ | 16.13 |  | 2,109 |  | $ | 16.13
$ | 18.64 | - | $ | 23.68 |  | 2,227 |  | 5.0 |  | $ | 22.77 |  | 1,970 |  | $ | 22.71
$ | 36.05 | - | $ | 43.64 |  | 1,932 |  | 7.2 |  | $ | 41.59 |  | 683 |  | $ | 40.41
$ | 43.99 | - | $ | 43.99 |  | 2,325 |  | 7.2 |  | $ | 43.99 |  | 856 |  | $ | 43.99
$ | 44.73 | - | $ | 45.01 |  | 623 |  | 7.1 |  | $ | 44.94 |  | 225 |  | $ | 44.94
$ | 45.16 | - | $ | 45.16 |  | 1,998 |  | 6.1 |  | $ | 45.16 |  | 1,183 |  | $ | 45.16
$ | 45.55 | - | $ | 55.20 |  | 1,899 |  | 8.4 |  | $ | 48.24 |  | 313 |  | $ | 46.81
$ | 56.08 | - | $ | 57.36 |  | 81 |  | 9.6 |  | $ | 57.16 |  | 1 |  | $ | 56.08
$ | 58.73 | - | $ | 67.93 |  | 2,610 |  | 9.1 |  | $ | 58.89 |  | 6 |  | $ | 62.92
|  |  |  |  |  | 18,890 |  | 5.8 |  | $ | 34.61 |  | 10,432 |  | $ | 23.10
Summary of activities with respect to non-vested restricted stock units |
|  |  |  | Weighted
|  | Number of |  | Average
|  | Shares (in |  | Grant-Date
|  | thousands) |  | Fair Value
Non-vested at January 1, 2018 |  | 530 |  | $ | 45.09
Granted 01/01/18 - 03/31/18 |  | 221 |  | $ | 58.75
Granted 04/01/18 - 06/30/18 |  | 48 |  | $ | 52.31
Granted 07/01/18 - 09/30/18 |  | 1 |  | $ | 58.72
Granted 10/01/18 - 12/31/18 |  | 1 |  | $ | 56.19
Vested |  | (265) |  | $ | 45.26
Forfeited/cancelled |  | (7) |  | $ | 33.60
Non-vested at December 31, 2018 |  | 529 |  | $ | 51.55
Schedule of employee and non-employee share-based compensation expense |
|  | 2018 |  | 2017 |  | 2016
Operating expenses |  | $ | 57,111 |  | $ | 52,282 |  | $ | 45,848
Total employee and non-employee share-based compensation expense included in income, before income tax |  |  | 57,111 |  |  | 52,282 |  |  | 45,848
Less: Amount of income tax benefit recognized in earnings |  |  | (14,892) |  |  | (100,635) |  |  | (34,909)
Amount charged against net income |  | $ | 42,219 |  | $ | (48,353) |  | $ | 10,939

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

X
- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration