Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2016

Receivables [Abstract]

Schedule of Accounts Receivable

Accounts receivable consists of the following (in millions):

	As of December 31,
	2016		2015
Current:
Patient accounts receivable, net of allowance for doubtful accounts of $53.9 million in 2016; $39.3 million in 2015	$	432.0	$	403.3
Other accounts receivable	11.8		7.2
	443.8		410.5
Noncurrent patient accounts receivable, net of allowance for doubtful accounts of $49.5 million in 2016; $32.3 million in 2015	125.9		96.6
Accounts receivable, net	$	569.7	$	507.1

Schedule of Activity Related to Allowance for Doubtful Accounts

The following is the activity related to our allowance for doubtful accounts (in millions):

For the Year Ended December 31,	Balance at Beginning of Period		Additions and Charges to Expense		Deductions and Accounts Written Off			Balance at End of Period
2016	$	71.6	$	61.2	$	(29.4	)	$	103.4
2015	$	43.0	$	47.2	$	(18.6	)	$	71.6
2014	$	33.1	$	31.6	$	(21.7	)	$	43.0