Consolidated Statement of Cash Flows Statement - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 65,744	$ 125,249
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	10,477	10,646
Depreciation and amortization	13,496	12,951
(Increase) decrease in value of life insurance policies	(657)	(1,497)
Deferred income taxes	2,534	(4,436)
Other non-cash items	1,415	878
Changes in assets and liabilities:
Accounts receivable	41,359	261
Inventories	(4,045)	(4,824)
Prepaid expenses and other current assets	(3,078)	(10,887)
Other assets	1,752	1,219
Accounts payable	(4,594)	1,464
Accrued expenses	(100)	(3,256)
Increase (Decrease) in Deferred Revenue	3,749	957
Other long-term liabilities	(1,760)	2,508
Net cash provided by operating activities	126,292	131,233
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(12,310)	(19,787)
Patents and other intangibles	(512)	(304)
Business acquisition, net of cash acquired	(13,824)	(1,200)
Proceeds from sale of assets	833	604
Premiums on life insurance	(1,564)	(2,866)
Net cash used in investing activities	(27,377)	(23,553)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of debt borrowings	(27,000)	(37,041)
Proceeds from debt borrowings	91,000	103,000
Excess tax benefits from stock-based compensation	(315)	1,449
Debt financing costs	(279)	(3)
Non-controlling interest - dividend	0	(394)
Payments of Dividends	47,508	44,937
Repurchase of common shares	(115,583)	(125,294)
Net cash used in financing activities	(99,685)	(103,220)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(770)	4,460
CASH AND CASH EQUIVALENTS, beginning of period	23,350	25,088
CASH AND CASH EQUIVALENTS, end of period	$ 22,580	$ 29,548