XML 52 R38.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data | The following tabulation shows certain quarterly financial data for 2016 and 2015 (in thousands, except per share amounts):
| Quarter
2016 | 1 |  | 2 |  | 3 |  | 4
Net service revenues | $ | 1,302,625 |  |  | $ | 1,344,160 |  |  | $ | 1,338,541 |  |  | $ | 1,265,073 |
Gross margin | $ | 531,972 |  |  | $ | 556,993 |  |  | $ | 552,509 |  |  | $ | 519,202 |
Income before income taxes | $ | 133,791 |  |  | $ | 149,414 |  |  | $ | 146,324 |  |  | $ | 124,581 |
Net income | $ | 83,416 |  |  | $ | 91,616 |  |  | $ | 90,569 |  |  | $ | 77,788 |
Basic net income per share | $ | .65 |  |  | $ | .71 |  |  | $ | .71 |  |  | $ | .61 |
Diluted net income per share | $ | .64 |  |  | $ | .71 |  |  | $ | .71 |  |  | $ | .61 |
| Quarter
2015 | 1 |  | 2 |  | 3 |  | 4
Net service revenues | $ | 1,205,563 |  |  | $ | 1,272,058 |  |  | $ | 1,312,718 |  |  | $ | 1,304,594 |
Gross margin | $ | 494,087 |  |  | $ | 530,502 |  |  | $ | 549,801 |  |  | $ | 540,081 |
Income before income taxes | $ | 128,174 |  |  | $ | 149,235 |  |  | $ | 159,306 |  |  | $ | 144,315 |
Net income | $ | 77,922 |  |  | $ | 89,706 |  |  | $ | 96,725 |  |  | $ | 93,443 |
Basic net income per share | $ | .59 |  |  | $ | .68 |  |  | $ | .74 |  |  | $ | .71 |
Diluted net income per share | $ | .58 |  |  | $ | .67 |  |  | $ | .73 |  |  | $ | .71 |

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 Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=51825399&loc=d3e1280-108306 + Details
Name: | us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration