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Share-Based Compensation Plans - Schedule of Grants and Weighted-average Per Share (Details) - $ / shares shares in Thousands | 3 Months Ended
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Mar. 31, 2017 | Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Total shares granted, options and non-options | 419 | 535
Weighted-average per share value, options and non-options | $ 68.99 | $ 56.04
Stock Options |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares granted, options | 145 | 166
Weighted-average per share fair value, options | $ 25.58 | $ 19.68
Deferred Stock Units |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares granted, non-options | 10 | 8
Weighted-average per share fair value, non-options | $ 88.87 | $ 84.29
Restricted Stock Units |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares granted, non-options | 149 | 231
Weighted-average per share fair value, non-options | $ 92.67 | $ 73.02
Performance Share Units |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares granted, non-options | 115 | 130
Weighted-average per share fair value, non-options | $ 91.41 | $ 70.35

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- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options and Non-Option Instruments, Grants in Period + References No definition available. + Details
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- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options and Non-Option Instruments, Grants in Period, Weighted Average Grant Date Fair Value + References No definition available. + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
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