Consolidated Statements Of Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended				6 Months Ended
		Jun. 30, 2016		Jun. 30, 2015		Jun. 30, 2016		Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Revenue		$ 518,027		$ 545,369		$ 1,053,983		$ 1,154,005
Expenses:
Direct operating	[1]	351,581		369,619		727,548		774,803
Marketing		7,422		8,047		16,644		16,467
Research and development		1,317		2,039		2,362		4,123
General and administrative		47,681		48,783		95,451		97,339
Restructuring and related costs (Note 9)		401		0		3,676		15,851
Depreciation and other		33,988		45,174		70,106		87,860
Amortization of intangible assets		3,790		3,309		7,580		6,618
Goodwill impairment		0		85,890		0		85,890
Total expenses		446,180		562,861		923,367		1,088,951
Operating income (loss)		71,847		(17,492)		130,616		65,054
Other income (expense), net:
Loss from equity method investments, net		(208)		(133)		(415)		(265)
Interest expense, net		(10,301)		(12,183)		(10,543)		(24,254)
Other, net		223		642		1,452		(1,704)
Total other income (expense), net		(10,286)		(11,674)		(9,506)		(26,223)
Income (loss) from continuing operations before income taxes		61,561		(29,166)		121,110		38,831
Income tax expense		(21,013)		(18,185)		(42,111)		(44,027)
Income (loss) from continuing operations		40,548		(47,351)		78,999		(5,196)
Income (loss) from discontinued operations, net of tax		0		1,735		0		(4,821)
Net income (loss)		40,548		(45,616)		78,999		(10,017)
Foreign currency translation adjustment	[2]	(1,680)	[3],[4]	473	[5]	(2,229)	[6],[7]	3,327	[8]
Comprehensive income (loss)		38,868		(45,143)		76,770		(6,690)
Income (loss) from continuing operations attributable to common shares (Note 11):
Basic		38,615		(47,472)		75,665		(5,465)
Diluted		$ 38,626		$ (47,472)		$ 75,681		$ (5,465)
Basic earnings (loss) per common share (Note 11):
Continuing operations (in usd per share)		$ 2.39		$ (2.66)		$ 4.69		$ (0.30)
Discontinued operations (in usd per share)		0.00		0.10		0.00		(0.27)
Basic earnings (loss) per common share (in usd per share)		2.39		(2.56)		4.69		(0.57)
Diluted earnings (loss) per common share (Note 11):
Continuing operations (in usd per share)		2.38		(2.66)		4.67		(0.30)
Discontinued operations (in usd per share)		0.00		0.10		0.00		(0.27)
Diluted earnings (loss) per common share (in usd per share)		$ 2.38		$ (2.56)		$ 4.67		$ (0.57)
Weighted average common shares used in basic and diluted per share calculations (Note 11):
Weighted average common shares - basic (in shares)		16,149		17,848		16,122		18,057
Weighted average common shares - diluted (in shares)	[9]	16,244		17,848		16,216		18,057
Dividends paid per common share (in usd per share)		$ 0.60		$ 0.30		$ 0.90		$ 0.60

[1] “Direct operating” excludes depreciation and other of $24.9 million and $51.1 million for the three and six months ended June 30, 2016, respectively, and $29.6 million and $58.0 million for the three and six months ended June 30, 2015, respectively.

[2] Foreign currency translation adjustment had no tax effect for the three and six months ended June 30, 2016 and 2015, respectively.

[3] Foreign currency translation adjustment had no tax effect for the three months ended June 30, 2016.

[4] Foreign currency translation adjustment had no tax effect for the three months ended June 30, 2016.

[5] Foreign currency translation adjustment had no tax effect for the three months ended June 30, 2015.

[6] Foreign currency translation adjustment had no tax effect for the six months ended June 30, 2016.

[7] Foreign currency translation adjustment had no tax effect for the six months ended June 30, 2016.

[8] Foreign currency translation adjustment had no tax effect for the six months ended June 30, 2015.

[9] Participating securities were included in the calculation of diluted earnings per share using the two-class method, as this calculation was more dilutive than the calculation using the treasury stock method.