XML 21 R11.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Stock-Based Compensation | 6 Months Ended
--- | ---
Jun. 30, 2016
Share-based Compensation [Abstract] |
Stock-Based Compensation | Stock-Based Compensation A summary of restricted stock transactions during the six months ended June 30, 2016 follows:
| Number of shares
Non-vested stock awards outstanding at January 1, 2016 | 1,778,275 |
Awarded: |
Time-vesting shares | 127,167 |
Performance-based shares | 137,374 |
Released: |
Time-vesting shares | (412,889 | )
Performance-based shares | (90,003 | )
Forfeitures: |
Time-vesting shares | (19,551 | )
Performance-based shares | (161,415 | )
Non-vested stock awards outstanding at June 30, 2016 | 1,358,958 |
The performance-based awards cliff vest at the end of three years. The number of performance-based shares that will ultimately vest is based on the level of market performance achieved, ranging between 0% and 200% of the shares originally awarded, and will be settled in stock. The market performance criteria is the Company's Total Shareholder Return ("TSR"), which includes share price appreciation and dividends paid, during the three-year term of the award measured against the TSR of a peer group of companies. The time-vesting restricted and deferred stock awards vest ratably over three years or four years. The weighted average grant-date fair value of the 2016 time-vesting stock awards was $51.04 and the performance-based stock awards was $51.18. The fair value of the performance-based shares awarded in 2016 was calculated using a Monte Carlo valuation model, including a weighted average stock price volatility of 19.8%, an expected term of three years, and a weighted average risk-free interest rate of 1.22%. At June 30, 2016, unrecognized compensation cost related to outstanding non-vested stock awards was $41. The weighted average period over which the expense is expected to be recognized is 2.3 years. The aggregate market value of the shares released on the vesting dates was $26.

X
- 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 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65895303&loc=d3e17540-113929 Reference 2: 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=68057994&loc=d3e25284-112666 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) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 4: 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 Reference 5: 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 6: 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 + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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