ACCOUNTS AND OTHER RECEIVABLES

6 Months Ended

Jun. 30, 2017

Accounts and other receivables consisted of the following:



	June 30, 2017						December 31, 2016
	Current			Long-term			Current			Long-term
Trade accounts receivable	$	554.1		$	—		$	456.5		$	—
Trade notes receivable	.5			.5			1.5			.7
Total trade receivables	554.6			.5			458.0			.7
Other notes receivable	—			24.6			—			24.6
Income tax receivables	4.6			—			9.1			—
Other receivables	26.0			—			26.7			—
Subtotal other receivables	30.6			24.6			35.8			24.6
Total trade and other receivables	585.2			25.1			493.8			25.3
Allowance for doubtful accounts:
Trade accounts receivable	(7.3		)	—			(7.1		)	—
Trade notes receivable	(.2		)	(.1		)	(.1		)	(.2		)
Total trade receivables	(7.5		)	(.1		)	(7.2		)	(.2		)
Other notes receivable	—			—			—			—
Total allowance for doubtful accounts	(7.5		)	(.1		)	(7.2		)	(.2		)
Total net receivables	$	577.7		$	25.0		$	486.6		$	25.1

Notes that were past due more than 90 days or had been placed on non-accrual status were not significant for the periods presented.

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



	Balance at December 31, 2016		2017 Charges		2017 Charge- offs, Net of Recoveries		Balance at June 30, 2017
Trade accounts receivable	$	7.1	$	.8	$	.6	$	7.3
Trade notes receivable	.3		—		—		.3
Total trade receivables	7.4		.8		.6		7.6
Other notes receivable	—		—		—		—
Total allowance for doubtful accounts	$	7.4	$	.8	$	.6	$	7.6