XML 26 R42.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Capital Stock (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
Capital Stock [Abstract] |
Weighted average common shares outstanding for computing EPS | The following is a reconciliation of the weighted-average common shares outstanding for purposes of computing basic and diluted net income per share (in thousands):
|  | Year Ended December 31, |
|  | 2010 |  |  | 2011 |  |  | 2012 |
Basic weighted-average common shares outstanding |  |  | 62,370 |  |  |  | 62,066 |  |  |  | 60,600 |
Effect of dilutive securities: Stock awards and options |  |  | 2,177 |  |  |  | 2,480 |  |  |  | 2,425 |
Diluted weighted-average common shares outstanding |  |  | 64,547 |  |  |  | 64,546 |  |  |  | 63,025 |

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

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