XML 41 R23.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Quarterly Financial Data (Unaudited) | 12 Months Ended
--- | ---
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Information [Text Block] | ## 17. Quarterly Financial Data (Unaudited) The following table presents the unaudited consolidated operating results by quarter for the years ended December 31, 2017 and 2016:
|  | For the Three Months Ended
(in thousands, except per share data) |  | March 31, |  | June 30, |  | September 30, |  | December 31,(a)
2017: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 300,129 |  |  | $ | 356,185 |  |  | $ | 373,502 |  |  | $ | 373,501 |
Gross profit |  |  | 25,740 |  |  |  | 27,517 |  |  |  | 34,853 |  |  |  | 36,894 |
Net income |  |  | 1,200 |  |  |  | 1,230 |  |  |  | 5,145 |  |  |  | 13,579 |
Basic earnings per share |  | $ | 0.07 |  |  | $ | 0.08 |  |  | $ | 0.32 |  |  | $ | 0.83 |
Diluted earnings per share |  | $ | 0.07 |  |  | $ | 0.07 |  |  | $ | 0.31 |  |  | $ | 0.82 |
2016: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 253,634 |  |  | $ | 261,934 |  |  | $ | 283,259 |  |  | $ | 343,660 |
Gross profit |  |  | 27,281 |  |  |  | 31,435 |  |  |  | 34,063 |  |  |  | 41,944 |
Net income |  |  | 1,987 |  |  |  | 5,500 |  |  |  | 6,146 |  |  |  | 7,798 |
Basic earnings per share |  | $ | 0.10 |  |  | $ | 0.32 |  |  | $ | 0.39 |  |  | $ | 0.49 |
Diluted earnings per share |  | $ | 0.10 |  |  | $ | 0.31 |  |  | $ | 0.38 |  |  | $ | 0.48 |
| (a) | Results for the fourth quarter of 2017 include a net Tax Act benefit of $7.8 million, or $0.48 and $0.47 per basic and diluted share, respectively. See further discussion in Note 10 — Income Taxes to our Financial Statements.
Earnings per share amounts for each quarter are required to be computed independently using the weighted average number of shares outstanding during the period. As a result, the sum of the individual quarterly earnings per share amounts may not agree to the earnings per share calculated for the year.

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

X
- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
Name: | us-gaap_QuarterlyFinancialInformationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration