XML 42 R21.htm IDEA: XBRL DOCUMENT
v3.19.1

Earnings Per Share (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2019
Earnings (Loss) Per Share (Thousands of Dollars and Shares Except Per Share Data) [Abstract] |
Earnings (Loss) Per Share |
| 2019 |  | 2018
Quarter | Basic |  | Diluted |  | Basic |  | Diluted
Net earnings (loss) | $ | 26,727 |  |  | 26,727 |  |  | (112,492) |  |  | (112,492)
Average shares outstanding |  | 126,287 |  |  | 126,287 |  |  | 125,073 |  |  | 125,073
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |
Options and other share-based awards |  | - |  |  | 529 |  |  | - |  |  | -
Equivalent Shares |  | 126,287 |  |  | 126,816 |  |  | 125,073 |  |  | 125,073
Net earnings (loss) per common share | $ | 0.21 |  |  | 0.21 |  |  | (0.90) |  |  | (0.90)

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

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + 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_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration