Subsequent Events (Details) $ in Millions		3 Months Ended
	Dec. 31, 2016 location	Dec. 29, 2017 USD ($)
Subsequent Events
Number of home health branch locations operated by acquired entity | location	76
Number of hospice branch locations operated by acquired entity | location	15
Subsequent event | Minimum
Subsequent Events
Annual ACO payment expected | $		$ 2.0
Subsequent event | Maximum
Subsequent Events
Annual ACO payment expected | $		$ 2.4