CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income	$ 16,882	$ 39,578
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	18,895	18,346
Amortization of intangible assets	18,539	24,967
Change in the fair value of acquisition related contingent consideration	16	193
Share-based compensation expense	1,858	3,569
Bad debt expense	2,890	1,041
Gain on early extinguishment of debt	(3,937)	(5,464)
Amortization of debt discount	156	201
Amortization of debt issuance costs	433	557
Deferred income taxes	0	18
Loss on disposal of fixed assets	2,798	9
Changes in operating assets and liabilities:
Accounts receivable	11,954	3,407
Prepaid expenses and other current assets	(6,811)	(6,012)
Other assets	523	447
Accounts payable and accrued expenses	(10,637)	(4,454)
Other current and non-current liabilities	(41,042)	(6,998)
Net cash provided by operating activities	12,517	69,405
Cash flows from investing activities:
Additions to premises and equipment	(5,658)	(12,441)
Purchase of available for sale securities	0	(48,219)
Change in restricted cash	(271)	(10)
Net cash used in investing activities	(5,929)	(60,670)
Cash flows from financing activities:
Repayment and repurchases of long-term debt	(24,766)	(47,751)
Proceeds from stock option exercises	765	986
Purchase of treasury shares	(15,531)	(19,746)
Distributions to non-controlling interests	(1,056)	(1,065)
Payment of tax withholding on issuance of restricted shares	(1,089)	0
Net cash used in financing activities	(41,677)	(67,576)
Net decrease in cash and cash equivalents	(35,089)	(58,841)
Cash and cash equivalents at the beginning of the period	149,294	179,327
Cash and cash equivalents at the end of the period	114,205	120,486
Supplemental cash flow information:
Interest paid	10,787	11,694
Income taxes paid, net	12,668	5,618
Non-cash investing and financing activities:
(Decrease) increase in payables for purchases of premises and equipment	(378)	1,369
Increase in payables for purchases of treasury shares	$ 3,042	$ 0