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Employee Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2017
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 defined benefit plan. Pension information for the years ended December 31 is as follows:
 
Arrow SERP
 
Wyle Defined Benefit Plan
 
2017
 
2016
 
2017
 
2016
Accumulated benefit obligation
$
90,368

 
$
84,561

 
$
60,374

 
$
97,984

Changes in projected benefit obligation:
 
 
 
 
 
 
 
Projected benefit obligation at beginning of year
$
91,038

 
$
88,729

 
$
97,984

 
$
129,029

Service cost
2,310

 
1,689

 
—

 
—

Interest cost
3,552

 
3,475

 
3,860

 
4,485

Actuarial loss (gain)
4,929

 
1,021

 
7,595

 
(3,244
)
Benefits paid
(4,222
)
 
(3,876
)
 
(6,080
)
 
(6,223
)
Settlement
—

 
—

 
(42,985
)
 
(26,063
)
Projected benefit obligation at end of year
$
97,607

 
$
91,038

 
$
60,374

 
$
97,984

Changes in plan assets:
 
 
 
 
 
 
 
Fair value of plan assets at beginning of year
$
—

 
$
—

 
$
71,470

 
$
101,859

Actual return on plan assets
—

 
—

 
10,258

 
1,897

Company contributions
—

 
—

 
14,000

 
—

Benefits paid
—

 
—

 
(6,080
)
 
(6,223
)
Settlement
—

 
—

 
(42,985
)
 
(26,063
)
Fair value of plan assets at end of year
$
—

 
$
—

 
$
46,663

 
$
71,470

Funded status
$
(97,607
)
 
$
(91,038
)
 
$
(13,711
)
 
$
(26,514
)
Amounts recognized in the company's consolidated balance sheets:
 
 
 
 
 
 
 
Current liabilities
$
(4,535
)
 
$
(4,556
)
 
$
—

 
$
—

Noncurrent liabilities
(93,072
)
 
(86,482
)
 
(13,711
)
 
(26,514
)
Net liabilities at end of year
$
(97,607
)
 
$
(91,038
)
 
$
(13,711
)
 
$
(26,514
)
Components of net periodic pension cost:
 
 
 
 
 
 
 
Service cost
$
2,310

 
$
1,689

 
$
—

 
$
—

Interest cost
3,552

 
3,475

 
3,860

 
4,485

Expected return on plan assets
—

 
—

 
(3,449
)
 
(5,273
)
Amortization of net loss
1,216

 
3,208

 
1,666

 
1,827

Settlement charge
—

 
—

 
16,706

 
12,211

Net periodic pension cost
$
7,078

 
$
8,372

 
$
18,783

 
$
13,250

Weighted-average assumptions used to determine benefit obligation:
 
 
 
 
 
 
 
Discount rate
3.50
%
 
4.00
%
 
3.60
%
 
4.00
%
Rate of compensation increase
5.00
%
 
5.00
%
 
N/A

 
N/A

Expected return on plan assets
N/A

 
N/A

 
5.25
%
 
4.75
%
Weighted-average assumptions used to determine net periodic pension cost:
 
 
 
 
 
 
 
Discount rate
4.00
%
 
4.00
%
 
4.00
%
 
4.25
%
Rate of compensation increase
5.00
%
 
5.00
%
 
N/A

 
N/A

Expected return on plan assets
N/A

 
N/A

 
4.75
%
 
6.25
%
Schedule of Expected Benefit Payments [Table Text Block]
Benefit payments are expected to be paid as follows:

 
Arrow SERP
 
Wyle Defined Benefit Plan
2018
$
4,535

 
$
3,133

2019
5,902

 
3,216

2020
5,852

 
3,232

2021
5,797

 
3,273

2022
5,998

 
3,361

2023-2026
32,652

 
17,207
Schedule of Allocation of Plan Assets [Table Text Block]
The fair values of the company's pension plan assets for the Wyle defined benefit plan at December 31, 2017, utilizing the fair value hierarchy discussed in Note 7, are as follows:

 
Level 1
 
Level 2
 
Level 3
 
Total
Equities:
 
 
 
 
 
 
 
U.S. common stocks
$
17,039

 
$
—

 
$
—

 
$
17,039

International mutual funds
6,975

 
—

 
—

 
6,975

Index mutual funds
2,942

 
—

 
—

 
2,942

Fixed Income:
 
 
 
 
 
 
 
Mutual funds
19,707

 
—

 
—

 
19,707

Total
$
46,663

 
$
—

 
$
—

 
$
46,663


The fair values of the company's pension plan assets for the Wyle defined benefit plan at December 31, 2016, utilizing the fair value hierarchy discussed in Note 7, are as follows:

 
Level 1
 
Level 2
 
Level 3
 
Total
Equities:
 
 
 
 
 
 
 
U.S. common stocks
$
29,020

 
$
—

 
$
—

 
$
29,020

International mutual funds
10,791

 
—

 
—

 
10,791

Index mutual funds
8,501

 
—

 
—

 
8,501

Fixed Income:
 
 
 
 
 
 
 
Mutual funds
21,047

 
—

 
—

 
21,047

Insurance contracts
—

 
2,111

 
—

 
2,111

Total
$
69,359

 
$
2,111

 
$
—

 
$
71,470