CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net income	$ 16,542,000	$ 18,679,000
Adjustments to reconcile net income to net cash provided by operating activities from continuing operations:
Depreciation and amortization	7,332,000	7,912,000
Realized gain on investment securities, net	(949,000)	(337,000)
Share-based compensation	1,858,000	1,772,000
Deferred income taxes	(1,269,000)	(47,000)
(Gain)/loss on disposal of fixed assets	(17,000)	85,000
Changes in assets and liabilities which provided (used) cash:
Accounts receivable	(1,108,000)	216,000
Inventory	1,851,000	3,353,000
Prepaid expenses and other current assets	953,000	1,261,000
Other assets	64,000	764,000
Accounts payable and accrued expenses	310,000	2,117,000
Income taxes	(1,006,000)	(1,682,000)
Net cash provided by operating activities	24,561,000	34,093,000
Cash Flow from Investing Activities:
Sale of investment securities	23,367,000	7,416,000
Purchase of investment securities	(19,700,000)	(21,576,000)
Sale of property and equipment	1,215,000	0
Purchase of property and equipment	(4,208,000)	(8,644,000)
Net cash used in investing activities	674,000	(22,804,000)
Cash Flow from Financing Activities:
Repayment of long-term debt and capital leases	(166,000)	(3,587,000)
Decrease in note receivable	23,000	19,000
Excess tax benefits from share-based compensation	51,000	322,000
Purchase of treasury stock	(33,894,000)	0
Net cash used in financing activities	(33,986,000)	(3,246,000)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(8,751,000)	8,043,000
Cash and cash equivalents - beginning of the period	36,382,000	39,937,000
Cash and cash equivalents - end of period	27,631,000	47,980,000
Supplemental disclosure of cash flow information:
Interest paid	104,000	49,000
Income taxes paid	$ 10,211,000	$ 10,143,000