Quarterly Financial Information (Unaudited) (Notes)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information [Text Block]

Quarterly Financial Information (Unaudited)

The quarterly financial data reflects, in the opinion of the Company, all normal and recurring adjustments to present fairly the results of operations for such periods. Results of any one or more quarters are not necessarily indicative of annual results or continuing trends. The following tables set forth selected unaudited quarterly financial data (the quarter ending December 31, 2013 contains a goodwill impairment charge of $118.4 million):

	2013
	March 31,		June 30,		September 30,		December 31,
	(in thousands, except per share data)
Revenues	$	646,008	$	605,129	$	567,399	$	491,536
Operating income (loss)	$	36,371	$	38,671	$	32,039	$	(84,838	)
Income (loss) from operations before income taxes and equity method investments	$	32,479	$	34,632	$	28,082	$	(88,640	)
Net income (loss)	$	20,180	$	21,551	$	17,718	$	(65,598	)
Class A common stock:
Basic weighted average common shares outstanding	23,832		23,910		23,944		23,963
Basic earnings (loss) per share	$	0.55	$	0.58	$	0.48	$	(1.77	)
Diluted weighted average common shares outstanding	23,876		23,940		23,982		23,963
Diluted earnings (loss) per share	$	0.54	$	0.58	$	0.48	$	(1.77	)
Class B common stock:
Basic weighted average common shares outstanding	13,193		13,193		13,193		13,193
Basic earnings (loss) per share	$	0.55	$	0.58	$	0.48	$	(1.77	)
Diluted weighted average common shares outstanding	13,193		13,193		13,193		13,193
Diluted earnings (loss) per share	$	0.54	$	0.58	$	0.48	$	(1.77	)
	2012
	March 31,		June 30,		September 30,		December 31,
	(in thousands, except per share data)
Revenues	$	676,509	$	638,937	$	645,028	$	621,821
Operating income	$	45,695	$	44,880	$	42,759	$	37,654
Income from operations before income taxes	$	41,634	$	40,835	$	38,777	$	33,708
Net income	$	25,642	$	24,745	$	24,427	$	20,205
Class A common stock:
Basic weighted average common shares outstanding	23,642		23,697		23,760		23,808
Basic earnings per share	$	0.70	$	0.67	$	0.66	$	0.55
Diluted weighted average common shares outstanding	23,716		23,736		23,778		23,842
Diluted earnings per share	$	0.69	$	0.67	$	0.66	$	0.55
Class B common stock:
Basic weighted average common shares outstanding	13,193		13,193		13,193		13,193
Basic earnings per share	$	0.70	$	0.67	$	0.66	$	0.55
Diluted weighted average common shares outstanding	13,193		13,193		13,193		13,193
Diluted earnings per share	$	0.69	$	0.67	$	0.66	$	0.55