XML 64 R21.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Net Income Per Common Share (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2013
Earnings Per Share [Abstract] |
Summary of Basic and Diluted Weighted Average Common Shares | Basic and diluted weighted average common shares are as follows (in thousands):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Basic weighted average common shares outstanding |  |  | 20,117 |  |  |  | 22,398 |  |  |  | 21,226 |  |  |  | 22,573 |
Weighted average common equivalent shares |  |  | 548 |  |  |  | 460 |  |  |  | 464 |  |  |  | 445 |
Diluted weighted average common shares outstanding |  |  | 20,665 |  |  |  | 22,858 |  |  |  | 21,690 |  |  |  | 23,018 |
Options excluded from diluted weighted average share calculation as effect would have been anti-dilutive |  |  | 608 |  |  |  | 967 |  |  |  | 700 |  |  |  | 644 |

X
- Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration