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Leases - Future Minimum Rental Payments (Details)
$ in Millions
Jun. 30, 2019
USD ($)
Leases [Abstract]  
June 28, 2020 $ 3.2
June 27, 2021 2.2
June 26, 2022 1.2
June 25, 2023 0.7
June 30, 2024 0.0
Thereafter 0.0
Total future minimum rental payments $ 7.3