Acuity's fiscal third quarter arrived with the company 17 months into its largest acquisition - the $1.24 billion cash purchase of QSC, a cloud-manageable audio, video, and control platform, which closed January 1, 2025 and reshaped the Acuity Intelligent Spaces (AIS) segment. Two readings of the print are doing the work. The first is the cleanest: net sales of $1.198 billion rose 1.6% year over year, operating profit of $193.3 million jumped 38.3%, and GAAP diluted EPS of $4.56 rose 46.2% - a quarter where the bottom line did the lifting the top line did not. The second reading is the more honest one: roughly $30 million of the operating-profit swing came from a year-ago quarter carrying $29.7 million of special charges that did not recur, and the adjusted operating profit grew less than 1% to $223.5 million. Adjusted diluted EPS of $5.31 rose 3.7%. Strip the calendar effect, and the quarter is steady-state execution - not the inflection the headline number implies, not the disappointment the under-the-surface number suggests. The two segments told the whole story: ABL (Acuity Brands Lighting) net sales fell 1.9% on weaker project business, but operating profit margin expanded 320 basis points; AIS net sales rose 14.9% on QSC and Distech strength, and adjusted operating margin reached 25.1%. Acuity also took $6.4 million of tariff refunds in the quarter - the first material cash benefit from a March 2026 U.S. Court of International Trade ruling on IEEPA duties - and put $39 million into share repurchases at an average price implied near $300. The question the quarter answers is whether the AIS margin step-up holds, and the next report is the test: Q4 must prove the adjusted operating margin earns the 18.7% level the company just printed, against tougher year-ago comparisons and a 25.0% TTM GAAP P/E that assumes it does.