Consolidated Statement of Cash Flows Statement (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 125,249	$ 116,674
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	10,646	10,176
Depreciation and amortization	12,951	11,989
(Increase) decrease in value of life insurance policies	(1,497)	(1,456)
Deferred income taxes	(4,436)	(709)
Other non-cash items	878	(420)
Changes in assets and liabilities:
Accounts receivable	261	(5,345)
Inventories	(4,824)	(6,168)
Prepaid expenses and other current assets	(10,887)	5,433
Other assets	1,219	(450)
Accounts payable	1,464	2,081
Accrued expenses	(3,256)	(1,939)
Increase (Decrease) in Deferred Revenue	957	2,490
Other long-term liabilities	2,508	4,145
Net cash provided by operating activities	131,233	136,501
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(19,787)	(17,935)
Patents and other intangibles	(304)	(2,229)
Business acquisition, net of cash acquired	(1,200)	0
Proceeds from sale of assets	604	697
Premiums on life insurance	(2,866)	(1,527)
Net cash used in investing activities	(23,553)	(20,994)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of debt borrowings	(37,041)	(35,025)
Proceeds from debt borrowings	103,000	51,000
Stock options exercised	0	83
Excess tax benefits from stock-based compensation	1,449	2,353
Debt financing costs	(3)	0
Non-controlling interest - dividend	(394)	0
Dividends paid	(44,937)	(29,508)
Repurchase of common shares	(125,294)	(100,416)
Net cash used in financing activities	(103,220)	(111,513)
NET CHANGE IN CASH AND CASH EQUIVALENTS	4,460	3,994
CASH AND CASH EQUIVALENTS, beginning of period	25,088	19,226
CASH AND CASH EQUIVALENTS, end of period	$ 29,548	$ 23,220