CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	3 Months Ended						9 Months Ended
	Oct. 24, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Sep. 30, 2014	Sep. 30, 2013
CONSOLIDATED STATEMENTS OF OPERATIONS
REVENUES		$ 711,295			$ 623,414			$ 1,947,845	$ 1,720,999
OPERATING EXPENSES		678,354			602,912			1,896,655	1,715,431
OPERATING INCOME		32,941			20,502			51,190	5,568
OTHER INCOME (COSTS)
Interest and dividend income		215			167			600	499
Interest and other related financing costs		(834)			(993)			(2,367)	(3,279)
Other, net		234			1,328			1,549	2,778
TOTAL OTHER INCOME (COSTS)		(385)			502			(218)	(2)
INCOME BEFORE INCOME TAXES		32,556			21,004			50,972	5,566
INCOME TAX PROVISION		12,938			7,022			19,339	101
NET INCOME		$ 19,618			$ 13,982			$ 31,633	$ 5,465
EARNINGS PER COMMON SHARE
Basic (in dollars per share)		$ 0.72			$ 0.52			$ 1.16	$ 0.20
Diluted (in dollars per share)		$ 0.72			$ 0.52			$ 1.16	$ 0.20
AVERAGE COMMON SHARES OUTSTANDING
Basic (in shares)		26,054,678			25,736,810			25,979,555	25,690,184
Diluted (in shares)		26,054,678			25,736,810			25,980,008	25,690,184
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.06	$ 0.03	$ 0.03	$ 0.03	$ 0.03	$ 0.03	$ 0.03	$ 0.09	$ 0.09