Subsequent Events (Details) - USD ($)	Dec. 20, 2019	Sep. 28, 2019	Dec. 20, 2018
Forecast | Subsequent Event
Subsequent Event [Line Items]
Payments for merger related costs	$ 303,000,000
Bank of America, N.A. | Senior Credit Facility | Forecast | Subsequent Event
Subsequent Event [Line Items]
Senior credit facility maximum borrowing capacity	365,000,000
Bank of America, N.A. | Term loan tranche | Senior Credit Facility | Forecast | Subsequent Event
Subsequent Event [Line Items]
Line of credit facility change	150,000,000
Bank of America, N.A. | Revolving Credit Facility | Senior Credit Facility
Subsequent Event [Line Items]
Senior credit facility maximum borrowing capacity		$ 125,000,000	$ 125,000,000
Bank of America, N.A. | Revolving Credit Facility | Senior Credit Facility | Forecast | Subsequent Event
Subsequent Event [Line Items]
Line of credit facility change	$ 90,000,000