Consolidated Statements Of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands		3 Months Ended				9 Months Ended
		Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Revenue		$ 512,055			$ 549,899	$ 1,666,060	$ 1,694,188
Expenses:
Direct operating	[1]	340,199			379,442	1,115,002	1,180,818
Marketing		7,131			9,143	23,598	25,272
Research and development		1,514			2,999	5,637	9,885
General and administrative		47,818			47,586	145,157	148,790
Restructuring and lease termination costs (Note 11)		0			0	15,851	557
Depreciation and other		39,880			46,380	127,740	142,134
Amortization of intangible assets		3,308			3,665	9,926	11,347
Goodwill impairment (Note 6)		0			0	85,890	0
Total expenses		439,850			489,215	1,528,801	1,518,803
Operating income (loss)		72,205			60,684	137,259	175,385
Other expense, net:
Loss from equity method investments, net (Note 7)		(328)			(11,352)	(593)	(31,261)
Interest expense, net		(11,973)			(12,465)	(36,227)	(35,045)
Other, net		(1,384)			(1,352)	(3,088)	(386)
Total other expense, net		(13,685)			(25,169)	(39,908)	(66,692)
Income from continuing operations before income taxes		58,520			35,515	97,351	108,693
Income tax expense		(20,928)			(13,392)	(64,955)	(35,131)
Income from continuing operations		37,592			22,123	32,396	73,562
Loss from discontinued operations, net of tax (Note 12)		(256)			(4,233)	(5,077)	(10,744)
Net income		37,336			17,890	27,319	62,818
Foreign currency translation adjustment	[2],[3]	(1,651)			(695)	1,676	(156)
Comprehensive income		35,685			17,195	28,995	62,662
Income from continuing operations attributable to common shares (Note 13):
Basic		36,462			21,384	31,491	71,268
Diluted		$ 36,462			$ 21,392	$ 31,491	$ 71,309
Basic earnings (loss) per common share (Note 13):
Continuing operations (in usd per share)		$ 2.12			$ 1.14	$ 1.77	$ 3.43
Discontinued operations (in usd per share)		(0.02)			(0.23)	(0.28)	(0.52)
Basic earnings per common share (in usd per share)		2.10			0.91	1.49	2.91
Diluted earnings (loss) per common share (Note 13):
Continuing operations (in usd per share)		2.12			1.12	1.77	3.37
Discontinued operations (in usd per share)		(0.02)			(0.22)	(0.29)	(0.51)
Diluted earnings per common share (in usd per share)		$ 2.10			$ 0.90	$ 1.48	$ 2.86
Weighted average common shares used in basic and diluted per share calculations (Note 13):
Weighted average common shares - basic (in shares)		17,220			18,798	17,775	20,792
Weighted average common shares - diluted (in shares)	[4]	17,229			19,021	17,789	21,186
Dividends declared per common share (in usd per share)		$ 0.30	$ 0.30	$ 0.30	$ 0	$ 0.90	$ 0

[1] “Direct operating” excludes “Depreciation and other” of $28.7 million and $86.7 million for the three and nine months ended September 30, 2015, respectively, and $31.2 million and $94.3 million for the three and nine months ended September 30, 2014, respectively.

[2] Foreign currency translation adjustment had no tax effect for the nine months ended September 30, 2015.

[3] Foreign currency translation adjustment had no tax effect for the three and nine months ended September 30, 2015 and 2014, respectively.

[4] 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.