CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES:
Net income	$ 76,229	$ 71,235
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation of property and equipment	48,444	50,462
Amortization of definite-lived intangible and other assets	89,390	79,425
Amortization of program contract costs and net realizable value adjustments	64,281	60,173
Stock-based compensation expense	9,969	11,577
Deferred tax benefit	(2,797)	(17,368)
Change in assets and liabilities, net of acquisitions:
(Increase) decrease in accounts receivable	(46,242)	3,433
Increase in prepaid expenses and other current assets	(5,617)	(18,755)
Increase (decrease) in accounts payable and accrued liabilities	18,903	(24,906)
Net change in net income taxes payable/receivable	9,389	21,019
Payments on program contracts payable	(57,242)	(55,676)
Other, net	4,951	(372)
Net cash flows from operating activities	209,658	180,247
CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES:
Acquisition of property and equipment	(49,786)	(47,062)
Acquisition of businesses, net of cash acquired	(423,104)	0
Purchase of alarm monitoring contracts	(21,616)	(16,673)
Investments in equity and cost method investees	(21,843)	(37,809)
Loans to affiliates	(19,500)	0
Other, net	7,399	11,651
Net cash flows used in investing activities	(528,450)	(89,893)
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES:
Proceeds from notes payable and commercial bank financing	607,555	364,853
Repayments of notes payable, commercial bank financing and capital leases	(279,575)	(360,480)
Dividends paid on Class A and Class B Common Stock	(32,781)	(31,464)
Repurchase of outstanding Class A Common Stock	(11,247)	(7,803)
Other, net	(11,405)	(8,563)
Net cash flows from (used in) financing activities	272,547	(43,457)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(46,245)	46,897
CASH AND CASH EQUIVALENTS, beginning of period	149,972	17,682
CASH AND CASH EQUIVALENTS, end of period	$ 103,727	$ 64,579