Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2014

Accounts Receivable [Abstract]

Accounts Receivable

($ in thousands)	2014		2013
Retail and Wholesale	$	629,816	$	498,717
Other		55,919		51,855
Less: Allowance for doubtful accounts		(71,571)		(71,362)
Accounts receivable, net	$	614,164	$	479,210

Allowance For Doubtful Accounts

($ in thousands)	Balance at beginning of Period		Charged to Other Revenue		Charged (Credited) to Switched and Nonswitched Revenue and Other Accounts		Write-offs and Recoveries		Balance at end of Period
2012	$	107,048	$	74,332	$	14,396	$	(102,509)	$	93,267
2013		93,267		68,965		(3,203)		(87,667)		71,362
2014		71,362		61,138		(22)		(60,907)		71,571