Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2015

Receivables [Abstract]

Schedule of Accounts Receivable

Accounts receivable consists of the following (in millions):

	As of December 31,
	2015		2014
Current:
Patient accounts receivable, net of allowance for doubtful accounts of $39.3 million in 2015; $22.2 million in 2014	$	403.3	$	309.3
Other accounts receivable	7.2		13.9
	410.5		323.2
Noncurrent patient accounts receivable, net of allowance for doubtful accounts of $32.3 million in 2015; $20.8 million in 2014	96.6		51.4
Accounts receivable, net	$	507.1	$	374.6

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
2015	$	43.0	$	47.2	$	(18.6	)	$	71.6
2014	$	33.1	$	31.6	$	(21.7	)	$	43.0
2013	$	28.7	$	26.0	$	(21.6	)	$	33.1