Debt (Tables)

3 Months Ended

Mar. 31, 2013

Debt [Abstract]

Long-term debt

Long-term debt was comprised of the following:

($ in thousands)	March 31, 2013		December 31, 2012
Revolving credit facility, weighted-average interest rate of 1.8% (2013), and 1.8% (2012) due in 2017	$	164,000	$	153,500