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available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse232100000232.1falsefalsefalsefalsefalse2truefalsefalse232800000232.8falsefalsefalsefalsefalse3truefalsefalse233400000233.4falsefalsefalsefalsefalse4truefalsefalse235400000235.4falsefalsefalsefalsefalse5truefalsefalse237100000237.1falsefalsefalsefalsefalse6truefalsefalse237000000237.0falsefalsefalsefalsefalse7truefalsefalse236500000236.5falsefalsefalsefalsefalse8truefalsefalse236100000236.1falsefalsefalsefalsefalse9truefalsefalse233400000233.4falsefalsefalsefalsefalse10truefalsefalse236700000236.7falsefalsefalsefalsefalse11truefalsefalse245400000245.4falsefalsefalsefalsefalseSharesxbrli:sharesItemTypesharesNumber of [basic] shares, after adjustment for contingently issuable shares and other shares not deemed outstanding, determined by relating the portion of time within a reporting period that common shares have been outstanding to the total time in that period.Reference 1: 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available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse236400000236.4falsefalsefalsefalsefalse2truefalsefalse237000000237.0falsefalsefalsefalsefalse3truefalsefalse237400000237.4falsefalsefalsefalsefalse4truefalsefalse239000000239.0falsefalsefalsefalsefalse5truefalsefalse241300000241.3falsefalsefalsefalsefalse6truefalsefalse240600000240.6falsefalsefalsefalsefalse7truefalsefalse239500000239.5falsefalsefalsefalsefalse8truefalsefalse238100000238.1falsefalsefalsefalsefalse9truefalsefalse237600000237.6falsefalsefalsefalsefalse10truefalsefalse239900000239.9falsefalsefalsefalsefalse11truefalsefalse249300000249.3falsefalsefalsefalsefalseSharesxbrli:sharesItemTypesharesThe average number of shares issued and outstanding that are used in calculating diluted EPS, determined based on the timing of issuance of shares in the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph a Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 8 falsefalseDiluted (in shares)1119CONSOLIDATED STATEMENT OF INCOME (USD $)HundredThousandsHundredThousandsNoRoundingUnKnownfalsetrue