The most recent 12-month accounting period that a business uses when determining its annual financial performance. The SEC requires businesses to list their last fiscal year's revenue (in addition to other financial figures) in their 10-Q filings.
Read more: Last Fiscal Year (LFY) Definition | Investopedia http://www.investopedia.com/terms/l/last-fiscal-year.asp#ixzz3uf6VRMly
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