XML 62 R43.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Stockholders' Equity (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Stockholders Equity Note [Abstract] |
Reconciliation of Number of Shares of Common Stock | A reconciliation of the number of shares of our common stock follows:
|  | Year ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
|  | (In thousands) |
Common stock, beginning of period |  |  | 44,251 |  |  |  | 45,721 |  |  |  | 48,297 |
Shares issued for stock options exercised |  |  | 33 |  |  |  | 38 |  |  |  | 148 |
Shares of common stock issued upon lapse of RSUs |  |  | 528 |  |  |  | 504 |  |  |  | 516 |
Common stock retired |  |  | (2,118 | ) |  |  | (2,012 | ) |  |  | (3,240 | )
Common stock, end of period |  |  | 42,694 |  |  |  | 44,251 |  |  |  | 45,721 |

X
- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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