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Stock Compensation - Annual RSUs and Annual PSUs (Details) - Stock Incentive Plan 2015 - $ / shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2018
Annual RSUs |  |
Number of Shares |  |
Granted (in shares) | 765 | 60,000
Weighted- Average Grant-Date Fair Value |  |
Granted (in dollars per share) | $ 127.27 | $ 115.80
Annual PSUs |  |
Number of Shares |  |
Granted (in shares) | 0 | 31,320
Weighted- Average Grant-Date Fair Value |  |
Granted (in dollars per share) | $ 0.00 | $ 116.34
Annual RSUs and Annual PSUs |  |
Number of Shares |  |
Granted (in shares) | 765 | 91,320
Weighted- Average Grant-Date Fair Value |  |
Granted (in dollars per share) | $ 127.27 | $ 115.98

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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://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&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://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&loc=d3e5070-113901 + Details
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