Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2012

Defined Benefit Plan Disclosure [Line Items]

Schedule of Allocation of Plan Assets [Table Text Block]

The fair values of the company's pension plan assets at December 31, 2012, utilizing the fair value hierarchy discussed in Note 7 are as follows:

	Level 1		Level 2		Level 3		Total
Cash Equivalents:
Common collective trusts	$	—	$	749	$	—	$	749
Equities:
U.S. common stocks	33,806		—		—		33,806
International mutual funds	12,714		—		—		12,714
Index mutual funds	12,674		—		—		12,674
Fixed Income:
Mutual funds	30,374		—		—		30,374
Insurance contracts	—		2,659		—		2,659
Total	$	89,568	$	3,408	$	—	$	92,976

The fair values of the company's pension plan assets at December 31, 2011, utilizing the fair value hierarchy discussed in Note 7 are as follows:

	Level 1		Level 2		Level 3		Total
Cash Equivalents:
Common collective trusts	$	—	$	1,058	$	—	$	1,058
Equities:
U.S. common stocks	28,102		—		—		28,102
International mutual funds	10,665		—		—		10,665
Index mutual funds	10,436		—		—		10,436
Fixed Income:
Mutual funds	24,181		—		—		24,181
Insurance contracts	—		7,277		—		7,277
Total	$	73,384	$	8,335	$	—	$	81,719

Supplemental Employee Retirement Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

The company uses a December 31 measurement date for the Arrow SERP and the Wyle SERP. Pension information for the years ended December 31 is as follows:

	2012			2011
Accumulated benefit obligation	$	69,690		$	62,891
Changes in projected benefit obligation:
Projected benefit obligation at beginning of year	$	68,473		$	61,559
Service cost (Arrow SERP)	2,064			1,525
Interest cost	3,302			3,308
Actuarial loss	9,273			5,602
Benefits paid	(3,680		)	(3,521		)
Projected benefit obligation at end of year	$	79,432		$	68,473
Funded status	$	(79,432	)	$	(68,473	)
Components of net periodic pension cost:
Service cost (Arrow SERP)	$	2,064		$	1,525
Interest cost	3,302			3,308
Amortization of net loss	2,038			787
Amortization of prior service cost (Arrow SERP)	41			41
Net periodic pension cost	$	7,445		$	5,661
Weighted-average assumptions used to determine benefit obligation:
Discount rate	4.00		%	4.75		%
Rate of compensation increase (Arrow SERP)	5.00		%	5.00		%
Weighted-average assumptions used to determine net periodic pension cost:
Discount rate	4.75		%	5.50		%
Rate of compensation increase (Arrow SERP)	5.00		%	5.00		%

Schedule of Expected Benefit Payments [Table Text Block]

Benefit payments are expected to be paid as follows:

2013	$	3,992
2014	3,956
2015	3,915
2016	4,134
2017	4,079
2018-2022	28,124

Wyle Defined Benefit Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

Pension information for the years ended December 31 is as follows:

	2012			2011
Accumulated benefit obligation	$	128,772		$	118,191
Changes in projected benefit obligation:
Projected benefit obligation at beginning of year	$	118,191		$	108,335
Interest cost	5,442			5,767
Actuarial loss	10,808			9,630
Benefits paid	(5,670		)	(5,541		)
Projected benefit obligation at end of year	$	128,771		$	118,191
Changes in plan assets:
Fair value of plan assets at beginning of year	$	81,719		$	80,362
Actual return on plan assets	11,477			(2,956		)
Company contributions	5,450			9,854
Benefits paid	(5,670		)	(5,541		)
Fair value of plan assets at end of year	$	92,976		$	81,719
Funded status	$	(35,795	)	$	(36,472	)
Components of net periodic pension cost:
Interest cost	$	5,442		$	5,767
Expected return on plan assets	(6,200		)	(6,524		)
Amortization of net loss	1,745			1,041
Net periodic pension cost	$	987		$	284
Weighted-average assumptions used to determine benefit obligation:
Discount rate	4.00		%	4.75		%
Expected return on plan assets	7.25		%	7.50		%
Weighted-average assumptions used to determine net periodic pension cost:
Discount rate	4.75		%	5.50		%
Expected return on plan assets	7.50		%	8.00		%

Schedule of Expected Benefit Payments [Table Text Block]

Benefit payments are expected to be paid as follows:

2013	$	6,448
2014	6,546
2015	6,629
2016	6,823
2017	6,892
2018-2022	35,935