XML 39 R25.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Quarterly Financial Data | 12 Months Ended
--- | ---
Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data | QUARTERLY FINANCIAL DATA (unaudited) The following quarterly financial data for the years ended December 31, 2018 and 2017 has been prepared in accordance with GAAP:
(In millions, except per share data) |  | 2018
|  | Quarters Ended
Income Statement Data |  | March 31 |  | June 30 |  | September 30 |  | December 31
Revenue |  | $ | 295.6 |  |  | $ | 315.4 |  |  | $ | 332.0 |  |  | $ | 342.8 |
Income before provision for income taxes |  | 157.7 |  |  | 198.0 |  |  | 198.4 |  |  | 201.0 |
Net income |  | 120.1 |  |  | 151.0 |  |  | 151.0 |  |  | 151.9 |
Net income per share (1): |  |  |  |  |  |  |  |
Basic |  | $ | 6.18 |  |  | $ | 7.76 |  |  | $ | 7.76 |  |  | $ | 7.82 |
Diluted |  | $ | 6.17 |  |  | $ | 7.75 |  |  | $ | 7.75 |  |  | $ | 7.79 |
(In millions, except per share data) |  | 2017
|  | Quarters Ended
Income Statement Data |  | March 31 |  | June 30 |  | September 30 |  | December 31
Revenue |  | $ | 262.8 |  |  | $ | 276.0 |  |  | $ | 283.9 |  |  | $ | 287.3 |
Income before provision for income taxes |  | 144.2 |  |  | 157.1 |  |  | 160.1 |  |  | 122.4 |
Net income |  | 93.3 |  |  | 99.1 |  |  | 100.7 |  |  | 177.1 |
Net income per share (1): |  |  |  |  |  |  |  |
Basic |  | $ | 4.73 |  |  | $ | 5.09 |  |  | $ | 5.19 |  |  | $ | 9.13 |
Diluted |  | $ | 4.72 |  |  | $ | 5.09 |  |  | $ | 5.19 |  |  | $ | 9.10 |
(1) | Basic and diluted net income per share are computed independently for each of the quarters presented. Therefore, the sum of quarterly basic and diluted per share information may not equal annual basic and diluted net income per share.

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://fasb.org/us-gaap/role/ref/legacyRef -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