XML 66 R28.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Share-Based Compensation Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary of stock option activity | A summary of stock option activity is as follows:
| Shares (000) |  | Wtd. Avg. Exercise Price Per Share |  | Wtd. Avg. Remaining Contractual Term (years) | Aggregate Intrinsic Value (in millions) |
Outstanding, January 1, 2013 | 5,344 |  | $ | 50 |  |  |
Granted | 221 |  | 53 |  |  |
Exercised | (2,576 | ) | 43 |  |  | $ | 63 |
Expired or cancelled | (206 | ) | 51 |  |  |
Outstanding, December 31, 2013 | 2,783 |  | $ | 57 |  | 5.1 | $ | 81 |
Vested or expected to vest, December 31, 2013 | 2,769 |  | $ | 57 |  | 4.8 |
Exercisable, December 31, 2013 | 2,153 |  | $ | 58 |  | 4.2 | $ | 60 |
Outstanding, January 1, 2014 | 2,783 |  | $ | 57 |  |  |
Granted | 204 |  | 77 |  |  |
Exercised | (473 | ) | 53 |  |  | $ | 13 |
Expired or cancelled | (30 | ) | 43 |  |  |
Outstanding, December 31, 2014 | 2,484 |  | $ | 59 |  | 4.7 | $ | 28 |
Vested or expected to vest, December 31, 2014 | 2,476 |  | $ | 59 |  | 4.5 |
Exercisable, December 31, 2014 | 1,957 |  | $ | 59 |  | 3.7 | $ | 23 |
Outstanding, January 1, 2015 | 2,484 |  | $ | 59 |  |  |
Granted | 147 |  | 77 |  |  |
Exercised | (1,255 | ) | 56 |  |  | $ | 39 |
Expired or cancelled | (104 | ) | 56 |  |  |
Outstanding, December 31, 2015 | 1,272 |  | $ | 64 |  | 5.2 | $ | 26 |
Vested or expected to vest, December 31, 2015 | 1,267 |  | $ | 64 |  | 5.2 |
Exercisable, December 31, 2015 | 911 |  | $ | 62 |  | 4.0 | $ | 20 |
Schedule of options outstanding and exercisable | Options outstanding and exercisable as of December 31, 2015 are as follows:
| Options Outstanding |  |  | Options Exercisable |
Exercise Price | Shares (000) |  | Weighted- Average Remaining Contractual Life (years) | Weighted- Average Exercise Price |  |  | Shares (000) |  | Weighted-Average Exercise Price |
$27-$34 | 44 |  | 2.9 | $ | 30 |  |  | 44 |  | $ | 30 |
$35-$44 | 86 |  | 6.1 | 45 |  |  | 54 |  | 45 |
$45-$55 | 347 |  | 5.1 | 53 |  |  | 273 |  | 53 |
$56-$93 | 795 |  | 5.2 | 73 |  |  | 540 |  | 71 |
| 1,272 |  | 5.2 | $ | 64 |  |  | 911 |  | $ | 62 |
Assumptions used to estimate fair value of share awards | We estimated the fair value of each stock option on the date of grant using the Black-Scholes option pricing model and the following assumptions:
Year Ended December 31 | 2015 |  | 2014 |  | 2013 |
Average risk-free interest rate | 1.6 | % | 1.8 | % | 1.1 | %
Expected dividend yield | 1.5 | % | 1.2 | % | 1.7 | %
Expected volatility | 32.0 | % | 37.0 | % | 42.0 | %
Expected term (years) | 6.0 |  | 5.9 |  | 5.9 |
Summary of restricted stock activity | A summary of restricted stock activity is as follows:
| Shares (000) |  | Wtd. Avg. Price Per Share |  | Wtd. Avg. Remaining Contractual Term (years) | Aggregate Intrinsic Value (in millions) |
Unvested, January 1, 2013 | 589 |  | $ | 55 |  | 1.7 |
Granted | 192 |  | 52 |  |  |
Vested | (90 | ) | 52 |  |  |
Forfeited | (64 | ) | 56 |  |  |
Unvested, December 31, 2013 | 627 |  | $ | 54 |  | 1.3 |
Granted | 169 |  | $ | 77 |  |  |
Vested | (283 | ) | 63 |  |  |
Forfeited | (50 | ) | 53 |  |  |
Unvested, December 31, 2014 | 463 |  | $ | 57 |  | 1.2 |
Granted | 179 |  | $ | 76 |  |  |
Vested | (217 | ) | 59 |  |  |
Forfeited | (20 | ) | 60 |  |  |
Unvested, December 31, 2015 | 405 |  | $ | 64 |  | 1.3 | $ | 34 |
Summary of performance share units detail by grant year | A summary of the performance share units detail by grant year is as follows:
| 2013(a) |  | 2014(b) |  | 2015 |
Grant Date(s) | February 14, 2013 |  | February 11, 2014 and May 1, 2014 |  | February 11, 2015 |
Performance Period (years) | 2013 |  | 2014-2016 |  | 2015-2017 |
Vesting Date(s) | 50% on December 31, 2014 and 2015 |  | 100% in February, 2017(c) |  | 100% in February, 2018(c) |
Payout Levels (in units): |  |  |
Threshold Award | 76,120 |  | 94,608 |  | 82,298 |
Target Award | 152,240 |  | 189,215 |  | 164,595 |
Outstanding Award | 304,480 |  | 378,430 |  | 329,190 |
Shares Issued in 2015 | 54,617 |  | — |  | — |
Shares Subject to Holding Period as of December 31, 2015 | 46,623 |  | — |  | — |
(a) The award achieved 140% of the Target Award level over the performance period. Included in these figures is another award consisting of 7,610 of performance share units that were granted on February 14, 2013 with a separate performance period, performance criteria and vesting date. The performance period was 2013 through 2015, with a vesting date of July 1, 2016. The award achieved 124% of the Target Award level over the performance period. (b) Included in these figures are 3,046 of performance share units that were granted on October 29, 2014 with a separate performance period, performance criteria and vesting date. The performance period is June 1, 2015 through December 31, 2016, with a vesting date of October 29, 2017. (c) 2014 and 2015 awards are scheduled to vest in February 2017 and 2018, respectively, when the Board of Directors certify the Award levels that are achieved.

X
- Definition Tabular disclosure of threshold, target and outstanding award levels for each outstanding grant of performance share units. + References No definition available. + Details
Name: | man_PerformanceShareUnitsDetailByGrantYearTableTextBlock
Namespace Prefix: | man_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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 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=6415400&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 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
- 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