Acquisitions (Tables)

12 Months Ended

Dec. 31, 2012

RFPD and Nu Horizons [Member]

Business Acquisition [Line Items]

Schedule of Business Acquisitions, by Acquisition [Text Block]

The following table summarizes the allocation of the net consideration paid to the fair value of the assets acquired and liabilities assumed for the Richardson RFPD and Nu Horizons acquisitions:

Accounts receivable, net	$	194,312
Inventories	169,881
Property, plant and equipment	11,278
Other assets	6,965
Identifiable intangible assets	90,900
Cost in excess of net assets of companies acquired	31,951
Accounts payable	(98,967		)
Accrued expenses	(18,900		)
Other liabilities	(4,080		)
Noncontrolling interest	(3,239		)
Fair value of net assets acquired	380,101
Gain on bargain purchase	(1,088		)
Cash consideration paid, net of cash acquired	$	379,013

In connection with the Richardson RFPD and Nu Horizons acquisitions, the company allocated the following amounts to identifiable intangible assets:

	Weighted-Average Life
Customer relationships	8 years	$	35,400
Trade names	indefinite	49,000
Other intangible assets	(a)	6,500
Total identifiable intangible assets		$	90,900

(a) Consists of non-competition agreements and sales backlog with useful lives ranging from one to three years.

Acquisitions 2011 [Member]

Business Acquisition [Line Items]

Business Acquisition Results of Operations And Pro Forma Information [Text Block]

The following table summarizes the company's unaudited consolidated results of operations for 2011 and 2010, as well as the unaudited pro forma consolidated results of operations of the company, as though the 2011 acquisitions occurred on January 1:

	For the Years Ended December 31,
	2011				2010
	As Reported		Pro Forma		As Reported		Pro Forma
Sales	$	21,390,264	$	21,573,260	$	18,744,676	$	20,082,596
Net income attributable to shareholders	598,810		603,243		479,630		497,415
Net income per share:
Basic	$	5.25	$	5.29	$	4.06	$	4.22
Diluted	$	5.17	$	5.20	$	4.01	$	4.16

2010 Acquisitions [Member]

Business Acquisition [Line Items]

Business Acquisition Results of Operations And Pro Forma Information [Text Block]

The following table summarizes the company's unaudited consolidated results of operations for 2010 as well as the unaudited pro forma consolidated results of operations of the company, as though the 2010 acquisitions occurred on January 1, 2010:

	For the Year Ended
	December 31, 2010
	As Reported		Pro Forma
Sales	$	18,744,676	$	19,326,092
Net income attributable to shareholders	479,630		491,688
Net income per share:
Basic	$	4.06	$	4.17
Diluted	$	4.01	$	4.11