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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME    
Net income and comprehensive income $ 815.9 $ 787.8
-Derivative instruments classified as cash flow hedge:    
- Unrealized gain (loss) of the period (net of income tax of $0.2 million in 2022)   (0.6)
Total other comprehensive income (loss)   (0.6)
Total comprehensive income 815.9 787.2
Comprehensive income attributable to the non-controlling interest 2.7 3.1
Comprehensive income attributable to SCC $ 813.2 $ 784.1