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Subsequent Events (Notes)
3 Months Ended
Jun. 30, 2018
Subsequent Events [Abstract]  
Subsequent Events
Subsequent Events

Interest Rate Swap. On July 31, 2018, the Company entered into an interest rate swap agreement effectively converting certain of its LIBOR-based floating rate to a fixed rate of 2.89% on a $300.0 million notional amount of LIBOR-based debt. The interest rate swap agreement matures on March 23, 2025.