11. Supplemental Cash Flow Information (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other Significant Noncash Transactions [Line Items]
Net income including noncontrolling interests		$ 77,811,000	$ 165,546,000	$ 178,813,000
Depreciation and amortization		147,200,000	130,400,000	121,000,000
Share-based compensation		13,700,000	13,200,000	10,700,000
Loss (gain) on disposition of securities		600,000	(7,600,000)	1,500,000
Loss (gain) on sale of property, plant and equipment without goodwill writeoff			(4,800,000)
Loss (gain) on disposition of property, plant and equipment		500,000		200,000
Excess tax benefits from share-based compensation		(2,720,000)	(2,889,000)	(3,168,000)
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability		(5,800,000)	(16,100,000)	0
(Increase) decrease in Accounts Receivable		(24,200,000)	4,400,000	(20,100,000)
Increase in inventories		(33,400,000)	(4,300,000)	(45,200,000)
Increase in Other Current Assets		(4,200,000)	(5,600,000)	11,100,000
Increase (Decrease) in Accounts Payable and Other Current Liabilities		33,200,000	19,000,000	(6,600,000)
(Decrease) Increase in Income Taxes Payable		(38,000,000)	(18,000,000)	5,400,000
Decrease in deferred income taxes		(4,000,000)	(10,300,000)	(1,600,000)
Goodwill, Written off Related to Sale of Business Unit	0	0	1,000,000	0
Net increase/decrease in other long-term liabilities/assets		14,800,000	12,100,000	10,700,000
Net cash provided by operating activities		175,476,000	276,028,000	262,735,000
Noncash or Part Noncash Acquisition, Intangible Assets Acquired		12,000,000	500,000	0
Noncash Purchased Marketable Securities and Investments		$ 400,000	$ 1,600,000	$ 11,600,000