XML 43 R30.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Stock-Based Compensation (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Stock-based Compensation, Stock Options and Stock Appreciation Rights Award Activity |
Award Type |  | Number of Exercised Units |  | Weighted Average Exercised Price |  | Number of Exercisable Units |  | Weighted Average Exercisable Price
Options |  | — |  |  | $ | — |  |  | 308,727 |  |  | $ | 19.69 |
Stock Appreciation Rights |  | — |  |  | $ | — |  |  | 46,572 |  |  | $ | 14.06 |

X
- 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 exercise prices (or conversion ratios) for stock options and stock appreciation rights that were outstanding at the beginning and end of the year, exercisable at the end of the year, and the number of stock options and stock appreciation rights 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_ScheduleOfShareBasedCompensationStockOptionsAndStockAppreciationRightsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration