XML 45 R34.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Weighted-Average Shares (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2018
Earnings Per Share [Abstract] |
Calculation of Weighted-Average Shares | Weighted-average shares were calculated as follows (in thousands):
| Three-months Ended |  | Nine-months Ended
| September 30, 2018 |  | October 1, 2017 |  | September 30, 2018 |  | October 1, 2017
Basic weighted-average common shares outstanding | 172,189 |  |  | 173,234 |  |  | 172,613 |  |  | 173,052 |
Effect of dilutive stock options | 5,056 |  |  | 6,120 |  |  | 5,408 |  |  | 6,072 |
Weighted-average common and common-equivalent shares outstanding | 177,245 |  |  | 179,354 |  |  | 178,021 |  |  | 179,124 |

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 the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration