CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
CONSOLIDATED BALANCE SHEETS
Receivables, allowance for losses (in dollars)	$ 1,328	$ 1,362
Common shares, par value (in dollars per share)	$ 0.01	$ 0.01
Common shares, shares authorized	100,000,000	100,000,000
Common shares, shares issued	57,232,050	56,450,632
Treasury stock, shares	6,242,326	6,415,176