CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES:
Net income	$ 25,629	$ 24,836
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation of property and equipment	24,035	25,189
Amortization of definite-lived intangible and other assets	43,765	39,980
Amortization of program contract costs and net realizable value adjustments	33,460	30,391
Stock-based compensation expense	6,328	7,057
Deferred tax benefit	(957)	(9,963)
Change in assets and liabilities, net of acquisitions:
Decrease in accounts receivable	26,918	19,619
Increase in prepaid expenses and other current assets	(18,933)	(10,472)
Increase (decrease) in accounts payable and accrued liabilities	10,932	(13,185)
Net change in net income taxes payable/receivable	9,854	29,786
Payments on program contracts payable	(28,615)	(27,624)
Other, net	1,599	(1,762)
Net cash flows from operating activities	134,015	113,852
CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES:
Acquisition of property and equipment	(25,851)	(23,648)
Acquisition of businesses, net of cash acquired	(384,659)	(150)
Purchase of alarm monitoring contracts	(7,017)	(5,744)
Investments in equity and cost method investees	(19,874)	(2,945)
Loans to affiliates	(19,500)	0
Other, net	2,265	4,574
Net cash flows used in investing activities	(454,636)	(27,913)
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES:
Proceeds from notes payable and commercial bank financing	598,850	7,866
Repayments of notes payable, commercial bank financing and capital leases	(261,230)	(25,055)
Dividends paid on Class A and Class B Common Stock	(15,675)	(15,715)
Repurchase of outstanding Class A Common Stock	0	(7,803)
Other, net	(9,772)	(5,071)
Net cash flows from (used in) financing activities	312,173	(45,778)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(8,448)	40,161
CASH AND CASH EQUIVALENTS, beginning of period	149,972	17,682
CASH AND CASH EQUIVALENTS, end of period	$ 141,524	$ 57,843