XML 20 R8.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Net Income Per Share | 3 Months Ended
--- | ---
Mar. 31, 2016
Earnings Per Share [Abstract] |
Net Income Per Share | Net Income Per Share Basic EPS is computed based on the weighted average number of common shares (including participating securities) issued and outstanding during the period. Diluted EPS is computed based on the weighted average number of common shares issued and outstanding plus equivalent shares, assuming the exercise of stock options. The dilutive effect of stock options is computed by application of the treasury-stock method. The following is a reconciliation between basic and diluted weighted average shares outstanding:
| For the three months ended March 31,
(in thousands, except per share data) | 2016 |  | 2015
Net income | $ | 62,070 |  |  | $ | 56,951 |
Net income attributable to unvested awarded performance stock | (1,451 | ) |  | (1,363 | )
Net income attributable to common shares | $ | 60,619 |  |  | $ | 55,588 |
Weighted average number of common shares outstanding – basic | 138,793 |  |  | 142,777 |
Less unvested awarded performance stock included in weighted average number of common shares outstanding – basic | (3,245 | ) |  | (3,417 | )
Weighted average number of common shares outstanding for basic earnings per common share | 135,548 |  |  | 139,360 |
Dilutive effect of stock options | 1,392 |  |  | 2,127 |
Weighted average number of shares outstanding – diluted | 136,940 |  |  | 141,487 |
Net income per share: |  |  |
Basic | $ | 0.45 |  |  | $ | 0.40 |
Diluted | $ | 0.44 |  |  | $ | 0.39 |

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 The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1278-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=65016374&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_EarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration