XML 42 R30.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Share-Based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of Weighted Average Assumptions Used for Options Granted | The following weighted average assumptions were used for options granted:
|  | Years ended December 31, |  |
|  | 2015 |  |  |  | 2014 |  |  |  | 2013 |  |
Expected life (in years) |  |  | 6.0 |  |  |  |  | 6.0 |  |  |  |  | 6.4 |  |
Expected volatility |  |  | 28.3 |  | % |  |  | 30.9 |  | % |  |  | 32.4 |  | %
Risk-free interest rate |  |  | 1.7 |  | % |  |  | 1.8 |  | % |  |  | 1.4 |  | %
Expected forfeiture rate |  |  | 1.7 |  | % |  |  | 3.0 |  | % |  |  | 3.0 |  | %
Summary of Share-Based Compensation Expense Related to Share-Based Awards | The following table summarizes share-based compensation expense related to share-based awards which is recorded in the statements of comprehensive income:
|  | Years ended December 31, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Cost of software services, maintenance and subscriptions |  | $ | 3,380 |  |  | $ | 2,177 |  |  | $ | 1,509 |
Selling, general and administrative expenses |  |  | 16,802 |  |  |  | 12,642 |  |  |  | 10,144 |
Total share-based compensation expenses |  |  | 20,182 |  |  |  | 14,819 |  |  |  | 11,653 |
Tax benefit |  |  | (5,986 | ) |  |  | (4,237 | ) |  |  | (3,363 | )
Net decrease in net income |  | $ | 14,196 |  |  | $ | 10,582 |  |  | $ | 8,290 |
Stock Option Activity | Options granted, exercised, forfeited and expired are summarized as follows:
|  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life (Years) |  |  | Aggregate Intrinsic Value |
Outstanding at December 31, 2012 |  |  | 5,711 |  |  | $ | 20.86 |  |  |  |  |  |  |  |  |
Granted |  |  | 1,453 |  |  |  | 67.08 |  |  |  |  |  |  |  |  |
Exercised |  |  | (1,443 | ) |  |  | 12.68 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (1 | ) |  |  | 68.17 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2013 |  |  | 5,720 |  |  |  | 34.66 |  |  |  |  |  |  |  |  |
Granted |  |  | 675 |  |  |  | 94.15 |  |  |  |  |  |  |  |  |
Exercised |  |  | (855 | ) |  |  | 17.17 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (3 | ) |  |  | 37.44 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2014 |  |  | 5,537 |  |  |  | 44.61 |  |  |  |  |  |  |  |  |
Granted |  |  | 747 |  |  |  | 145.71 |  |  |  |  |  |  |  |  |
Exercised |  |  | (1,118 | ) |  |  | 20.71 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (2 | ) |  |  | 19.61 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2015 |  |  | 5,164 |  |  |  | 64.43 |  |  |  | 7 |  |  | $ | 568,239 |
Exercisable at December 31, 2015 |  |  | 1,940 |  |  |  | 40.69 |  |  |  | 6 |  |  | $ | 259,257 |
Other information pertaining to option activity was as follows during the twelve months ended December 31:
|  | 2015 |  |  | 2014 |  |  | 2013 |
Weighted average grant-date fair value of stock options granted |  | $ | 45.17 |  |  | $ | 31.32 |  |  | $ | 23.27 |
Total intrinsic value of stock options exercised |  |  | 149,542 |  |  |  | 69,768 |  |  |  | 99,393 |

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=6415400&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=6415400&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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&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=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration