Consolidated Statement of Cash Flows Statement (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 161,430	$ 131,485
Net (recovery) provision for doubtful accounts	614	(105)
Provisions for inventory obsolescence	303	483
Equity in earnings of affiliates	(481)	(190)
Dividends received from investments	31	0
Stock-based compensation	13,503	13,341
Depreciation and amortization	17,419	17,374
Non-cash interest expense	360	5,841
Gain on sale of assets	(383)	(416)
Gain on insurance recovery	(101)	(779)
Loss on exchange of Senior Exchangeable Notes	0	870
Realization of pension obligation	40	228
Increase in value of life insurance policies	(1,659)	(93)
Deferred income taxes	(811)	(9,928)
Accounts receivable	(12,395)	707
Inventories	(896)	(14,204)
Prepaid expenses and other current assets	(8,916)	703
Other assets	51	1,692
Accounts payable	(11,975)	1,370
Accrued expenses	(3,284)	(6,124)
Increase (Decrease) in Deferred Revenue	(6,321)	(1,269)
Other long-term liabilities	5,621	5,843
Net cash provided by operating activities	152,150	146,829
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(24,154)	(18,203)
Payments to Acquire Intangible Assets	(1,096)	(177)
Business Acquisitions	(556)	(21,000)
Cash (advanced)/settled for acquisition	2,188	0
Proceeds from sale of assets	499	683
Proceeds from insurance recovery	101	884
Premiums on life insurance	(1,727)	(1,661)
Net cash used in investing activities	(24,745)	(39,474)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of debt borrowings	(53,330)	(229,467)
Proceeds from debt borrowings	41,000	313,000
Proceeds from Stock Options Exercised	5	295
Excess Tax Benefit from Share-based Compensation, Financing Activities	3,479	2,315
Payments of Debt Issuance Costs	(7)	(1,997)
Settlement of Warrants	0	(219,451)
Non-controlling interest - contributions	0	1,193
Payments of Dividends, Noncontrolling Interest	0	(251)
Payments of Dividends	(39,876)	(34,356)
Payments for Repurchase of Common Stock	(83,350)	(55,495)
Net cash used in financing activities	(132,079)	(224,214)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(4,674)	(116,859)
CASH AND CASH EQUIVALENTS, beginning of period	$ 29,332	$ 133,880