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Equity Based Compensation | 12 Months Ended
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Dec. 31, 2012
Equity Based Compensation [Abstract] |
Equity Based Compensation | Note 1 6 EQUITY BASED COMPENSATION The Company adopted the RGA Flexible Stock Plan (the “Plan”) in February 1993, as amended, and the Flexible Stock Plan for Directors (the “Directors Plan”) in January 1997, as amended, (collectively, the “Stock Plans”). The Stock Plans provide for the award of benefits (collectively “Benefits”) of various types, including stock options, stock appreciation rights (“SARs”), restricted stock, performance shares, cash awards, and other stock-based awards, to key employees, officers, directors and others performing significant services for the benefit of the Company or its subsidiaries. As of December 31, 2012, shares authorized for the granting of Benefits under the Plan and the Directors Plan totaled 11,760,077 and 212,500 respectively. The Company uses treasury shares or shares made available from authorized but unissued shares to support the future exercise of options or settlement of awards granted under its stock plans. Equity-based compensation expense of $28.5 million, $23.1 million, and $18.1 million related to grants or awards under the Stock Plans was recognized in 2012, 2011 and 2010, respectively. Equity-based compensation expense is principally related to the issuance of stock options, performance contingent restricted units, stock appreciation rights and restricted stock. In general, options granted under the Plan become exercisable over vesting periods ranging from one to five years while options granted under the Directors Plan become exercisable after one year. Options are generally granted with an exercise price equal to the stock's fair value at the date of grant and expire 10 years after the date of grant. Information with respect to grants under the Stock Plans follows.
| Stock Options |  |  |
| Number of |  | Weighted-Average Exercise Price |  | Aggregate Intrinsic Value (in millions) |  | Performance Contingent Units
| Options |  |  |  |  |  |
Outstanding January 1, 2010 | 3,200,639 |  | $ | 39.96 |  |  |  |  |  | 556,216
Granted | 535,867 |  | $ | 47.10 |  |  |  |  |  | 253,342
Exercised / Lapsed | (314,815) |  | $ | 30.80 |  |  |  |  |  | (93,597)
Forfeited | (39,375) |  | $ | 43.20 |  |  |  |  |  | (14,419)
Outstanding December 31, 2010 | 3,382,316 |  | $ | 41.91 |  |  |  |  |  | 701,542
Granted | 503,259 |  | $ | 59.74 |  |  |  |  |  | 222,580
Exercised / Lapsed | (736,452) |  | $ | 35.26 |  |  |  |  |  | (146,638)
Forfeited | (42,243) |  | $ | 45.50 |  |  |  |  |  | (21,818)
Outstanding December 31, 2011 | 3,106,880 |  | $ | 46.30 |  |  |  |  |  | 755,666
Granted | 685,331 |  | $ | 56.65 |  |  |  |  |  | 257,679
Exercised / Lapsed | (287,485) |  | $ | 29.96 |  |  |  |  |  | (282,035)
Forfeited | (50,331) |  | $ | 52.89 |  |  |  |  |  | (25,980)
Outstanding December 31, 2012 | 3,454,395 |  | $ | 49.63 |  | $ | 13.5 |  |  | 705,330
Options exercisable | 2,279,783 |  | $ | 48.59 |  | $ | 11.2 |  |  |
The intrinsic value of option s exercised was $11.2 million, $12.5 million, and $7.2 million for 2012, 2011 and 2010, respectively.
|  | Options Outstanding |  | Options Exercisable
Range of Exercise Prices | Number Outstanding as of 12/31/2012 |  | Weighted-Average Remaining Contractual Life |  | Weighted-Average Exercise Price |  | Number Exercisable as of 12/31/2012 |  | Weighted-Average Exercise Price
$25.00 - $34.99 | 635,041 |  | 6.0 |  | $ | 32.18 |  | 461,326 |  | $ | 32.17
$35.00 - $44.99 | 141,750 |  | 1.0 |  | $ | 39.61 |  | 141,750 |  | $ | 39.61
$45.00 - $54.99 | 891,253 |  | 5.0 |  | $ | 47.26 |  | 638,286 |  | $ | 47.32
$55.00 + | 1,786,351 |  | 7.2 |  | $ | 57.80 |  | 1,038,421 |  | $ | 57.89
| Totals | 3,454,395 |  | 6.2 |  | $ | 49.63 |  | 2,279,783 |  | $ | 48.59
The Black-Scholes model was used to determine the fair value recognized in the financial statements of stock options that have been granted. The Company used daily historical volatility when calculating stock option values. The benchmark rate is based on observed interest rates for instruments with maturities similar to the expected term of the stock options. Dividend yield is determined based on historical dividend distributions compared to the price of the underlying common stock as of the valuation date and held constant over the life of the stock options. The Company estimated expected life using the historical average years to exercise or cancellation. The per share weighted-average fair value of stock options granted during 2012, 2011 and 2010 was $19.65, $22.73 and $15.90 on the date of grant using the Black-Scholes option-pricing model with the following weighted-average assumptions: 2012-expected dividend yield of 1.27%, benchmark interest rate of 1.38%, expected life of 6.7 years, and an expected rate of volatility of the stock of 37.15% over the expected life of the options; 2011- expected dividend yield of 0.80%, benchmark interest rate of 2.81%, expected life of 6.7 years, and an expected rate of volatility of the stock of 35.0% over the expected life of the options; and 2010- expected dividend yield of 1.0 2%, benchmark interest rate of 2.82%, expected life of 6.0 years, and an expected rate of volatility of the stock of 33.9% over the expected life of the options. During 2012, 2011 and 2010 the Comp any also issued 257,679, 222,580 and 253,342 performance contingent units (“PCUs”) to key employees at a weighted avera ge fair value per unit of $56.65, $59.74 and $47.10, respectively. As of December 31, 2012, 254,538, 212,339 and 238,453 PCUs were outstanding from the 2012, 2011 and 2010 grants, respectively. Each PCU represents the right to receive up to two shares of Company common stock, depending on the results of certain performance measures over a three-year period. The compensation expense related to the PCUs is recognized ratably over the requisite performance period. In February 2012 and 2011, the board approved a 1.31 and 0.96 share payout for each PCU granted in 2009 and 2008, resulting in the issuance of 362,642 and 141,405 shares of common stoc k from treasury, respectively. As of December 31, 2012, the total compensation cost of non-vested awards not yet recognized in the financial statements was $25.3 million. It is estimated that these costs will vest over a weighted average period of 1.9 years. The majority of the awards granted each year under the board approved incentive compensation package and Directors Plan are made in the first quarter of each year.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-6 -Paragraph 53 -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64, 65, A240 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 8: 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=6415400&loc=d3e5070-113901 + Details
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