Condednsed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash Flows from Operating Activities:
Net (loss) income	$ (4,046)	$ 514
Adjustments to reconcile net (loss) income to net cash flows from operating activities:
Depreciation and amortization	23,324	23,588
Deferred income taxes	(2,489)	2,041
Stock and deferred compensation plans	4,711	4,757
Pension expense, net of payments	2,182	3,113
Liability for withdrawal from GCIU employer retirement fund	4,100	0
Other changes in certain working capital accounts, net	11,411	(31,044)
Miscellaneous, net	1,122	1,923
Net cash provided by operating activities	40,315	4,892
Cash Flows from Investing Activities:
Acquisitions	(145,222)	0
Additions to property, plant and equipment	(8,209)	(12,169)
Purchase of investments	(1,203)	(1,375)
Change in restricted cash	1,400	1,800
Miscellaneous, net	598	320
Net cash used in investing activities	(152,636)	(11,424)
Cash Flows from Financing Activities:
Payments on long-term debt	(1,000)	(7,950)
Repurchase of Class A Common shares	(21,237)	(34,910)
Proceeds from employee stock options	8,876	33,675
Tax payments related to shares withheld for RSUs	(3,837)	(5,970)
Miscellaneous, net	(234)	(2,854)
Net cash used in financing activities	(17,432)	(18,009)
Decrease in cash and cash equivalents	(129,753)	(24,541)
Cash and cash equivalents:
Beginning of year	221,255	242,642
End of period	91,502	218,101
Supplemental Cash Flow Disclosures
Interest paid	3,738	3,917
Income taxes paid	$ 380	$ 111