Business Acquisitions (Tables)

9 Months Ended

Sep. 30, 2013

Business Acquisitions [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Current assets	$         59,813
Identifiable intangibles	465,500
Goodwill	680,732
Other assets	5,798
Total assets acquired	1,211,843
Current liabilities	(24,717	)
Long-term deferred tax liability	(165,052	)
Other liabilities	(6,524	)
Net assets acquired	$    1,015,550

Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table Text Block]

	Three months ended September 30, 2012		Nine months ended September 30, 2012
Sales	$	780,278	$	2,320,497
Net income		128,226		380,046
Earnings per share, basic		1.31		3.90
Earnings per share, diluted		1.29		3.82