ACCOUNTS AND OTHER RECEIVABLES

3 Months Ended

Mar. 31, 2013

Accounts and other receivables consisted of the following:



	March 31, 2013						December 31, 2012
	Current			Long-term			Current			Long-term
Trade accounts receivable	$	514.3		$	—		$	430.4		$	—
Trade notes receivable	.9			2.3			1.1			2.9
Total trade receivables	515.2			2.3			431.5			2.9
Other notes receivable:
Notes received as partial payment for divestitures	.5			5.9			.5			6.1
Other	.2			4.5			.5			4.3
Income tax receivables	2.8			—			8.6			—
Other receivables	29.5			—			24.3			—
Subtotal other receivables	33.0			10.4			33.9			10.4
Total accounts and other receivables	548.2			12.7			465.4			13.3
Allowance for doubtful accounts:
Trade accounts receivable	(19.5		)	—			(18.9		)	—
Trade notes receivable	—			(.3		)	—			(.8		)
Total trade receivables	(19.5		)	(.3		)	(18.9		)	(.8		)
Other notes receivable:
Other	(.1		)	(.8		)	(.3		)	(.6		)
Total allowance for doubtful accounts	(19.6		)	(1.1		)	(19.2		)	(1.4		)
Total net receivables	$	528.6		$	11.6		$	446.2		$	11.9

Notes are evaluated individually for impairment, and we had no significant impaired notes for the periods presented.

Our investment in notes that were past due more than 90 days was less than $2.0 at March 31, 2013 and December 31, 2012, of which approximately $1.0 had been placed on non-accrual status.

Activity related to the allowance for doubtful accounts is reflected below:



	Balance at December 31, 2012		2013 Charges		2013 Charge- offs, net of recoveries		Balance at March 31, 2013
Trade accounts receivable	$	18.9	$	1.6	$	1.0	$	19.5
Trade notes receivable	.8		—		.5		.3
Total trade receivables	19.7		1.6		1.5		19.8
Other notes receivable:
Other	.9		—		—		.9
Total allowance for doubtful accounts	$	20.6	$	1.6	$	1.5	$	20.7