XML 62 R42.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Stock-Based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Stock-Based Compensation |
Summary of the Company's restricted stock activity |
|  |  |  | Weighted Average |  | Aggregate |
|  | Shares |  | Grant Date Fair Value |  | Intrinsic Value |
December 31, 2015 |  | 981,735 |  | $ | 32.43 |  |  |  |
Granted |  | 316,486 |  |  | 44.74 |  |  |  |
Vested |  | (374,453) |  |  | 36.54 |  |  |  |
Forfeited |  | (4,575) |  |  | 21.19 |  |  |  |
December 31, 2016 |  | 919,193 |  | $ | 22.73 |  | $ | 47.7 |

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 number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited 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_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration