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Employee Benefit Plans (Tables) | 12 Months Ended
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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 |

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- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph (d)(5) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e2417-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph 4, 7, 16, 20, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5, 6, 7 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e2410-114920 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=6930749&loc=d3e4179-114921 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e2439-114920 + Details
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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph (f) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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