XML 1024 R39.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Stock-Based Compensation (Table) | 12 Months Ended
--- | ---
Dec. 31, 2012
Stock based compensation |
Stock-based compensation, fair value assumptions |
| 2012 |  | 2011 |  | 2010
Expected life | 4.5 years |  | 4.3 years |  | 0.9-8.0 years
Expected volatility | 40.7%-42.6% |  | 43.4%-44.8% |  | 26.9%-43.9%
Dividend yield | 0% |  | 0% |  | 0%
Risk-free interest rate | 0.5%-0.9% |  | 0.7%-2.0% |  | 0.4%-3.1%
Estimated annual forfeiture rate | 0.0%-9.1% |  | 0.0%-7.8% |  | 0.0%-8.4%
Summary of stock options |
|  | Number of Options |  | Weighted Average Exercise Price |  | Weighted Average Grant Date Fair Value |  | Aggregate Intrinsic Value |  | Weighted Average Remaining Contractual Life (in years)
Outstanding at December 31, 2009 |  | 2,029,000 |  | $ | 51.37 |  |  |  |  |  |  |  |
(1,046,000 exercisable) |  |  |  |  | 54.40 |  |  |  |  |  |  |  |
| Granted |  | 831,000 |  |  | 41.98 |  | $ | 13.75 |  |  |  |  |
| Exercised |  | (317,000) |  |  | 38.60 |  |  |  |  | $ | 1,555,000 |  |
| Forfeited |  | (88,000) |  |  | 44.28 |  |  |  |  |  |  |  |
| Expired |  | (193,000) |  |  | 61.50 |  |  |  |  |  |  |  |
Outstanding at December 31, 2010 |  | 2,262,000 |  | $ | 49.12 |  |  |  |  |  |  |  |
(1,151,000 exercisable) |  |  |  |  | 54.64 |  |  |  |  |  |  |  |
| Granted |  | 595,000 |  |  | 51.70 |  | $ | 19.42 |  |  |  |  |
| Exercised |  | (173,000) |  |  | 37.50 |  |  |  |  | $ | 2,099,000 |  |
| Forfeited |  | (72,000) |  |  | 45.97 |  |  |  |  |  |  |  |
| Expired |  | (175,000) |  |  | 57.05 |  |  |  |  |  |  |  |
Outstanding at December 31, 2011 |  | 2,437,000 |  | $ | 50.10 |  |  |  |  |  |  |  |
(1,321,000 exercisable) |  |  |  | $ | 53.68 |  |  |  |  |  |  |  |
| Granted |  | 580,000 |  |  | 40.70 |  | $ | 14.71 |  |  |  |  |
| Exercised |  | (41,000) |  |  | 34.27 |  |  |  |  | $ | 205,000 |  |
| Forfeited |  | (97,000) |  |  | 44.81 |  |  |  |  |  |  |  |
| Expired |  | (116,000) |  |  | 52.92 |  |  |  |  |  |  |  |
Outstanding at December 31, 2012 |  | 2,763,000 |  | $ | 48.43 |  |  |  |  | $ | 513,000 |  | 6.60
(1,657,000 exercisable) |  |  |  | $ | 51.20 |  |  |  |  | $ | 513,000 |  | 5.30
Summary of nonvested restricted stock units |
| Number |  | Weighted Average Grant Date Fair Value |
Nonvested at December 31, 2011 | 845,000 |  | $ | 42.48 |
Granted | 468,000 |  |  | 39.75 |
Vested | (225,000) |  |  | 32.96 |
Forfeited | (75,000) |  |  | 43.74 |
Nonvested at December 31, 2012 | 1,013,000 |  | $ | 43.24 |
Stock-based compensation |
Year Ended December 31, | 2012 |  | 2011 |  | 2010
(Dollars in thousands) |  |  |  |  |  |  |  |
Stock option awards | $ | 8,471 |  | $ | 9,549 |  | $ | 7,179
Restricted stock unit awards |  | 12,300 |  |  | 10,037 |  |  | 10,056
Deferred compensation bonus and matching stock unit awards |  | 240 |  |  | 12 |  |  | 165
Awards under employee stock purchase plan |  | - |  |  | 255 |  |  | 314
Awards under Non-Employee Director compensation plan |  | 455 |  |  | 330 |  |  | 330
Total stock-based compensation, before income taxes |  | 21,466 |  |  | 20,183 |  |  | 18,044
Income tax benefit |  | (8,121) |  |  | (7,581) |  |  | (6,812)
Total stock-based compensation expense, net of income taxes | $ | 13,345 |  | $ | 12,602 |  | $ | 11,232
Stock-based compensation, allocation by financial statement line item |
December 31, |  | 2012 |  |  | 2011 |  |  | 2010
(Dollars in thousands) |  |  |  |  |  |  |  |
Selling, general and administrative expense | $ | 18,437 |  | $ | 17,538 |  | $ | 16,009
System operations |  | 3,029 |  |  | 2,645 |  |  | 2,035
Total stock-based compensation expense | $ | 21,466 |  | $ | 20,183 |  | $ | 18,044

X
- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + 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 + Details
Name: | us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
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 Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 3: 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 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: 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=6793087&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 the changes in outstanding nonvested restricted stock units. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&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 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

X
- Details
Name: | us-gaap_ShareBasedCompensationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration