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SHAREHOLDERS' EQUITY AND EMPLOYEE BENEFIT PLANS (Tables)
 12 Months Ended
Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Company’s matching contributions to the Plan
The following table reflects the Company’s contributions to the Plans during fiscal 2017 and 2016:
 
 
Fiscal
(in thousands)
 
2017
 
2016
Cash
 
$
1,645

 
$
1,544
Accumulated other comprehensive income reflected on the Consolidated Balance Sheets
The following table reflects accumulated other comprehensive income / (loss) reflected on the Consolidated Balance Sheets as of September 30, 2017 and October 1, 2016: 
 
 
As of
(in thousands)
 
September 30, 2017
 
October 1, 2016
Gain from foreign currency translation adjustments
 
$
2,422

 
$
462

Unrecognized actuarial loss on pension plan, net of tax
 
(1,736
)
 
(2,726
)
Unrealized gain / (loss) on hedging
 
1,353

 
(462
)
Accumulated other comprehensive income/(loss)
 
$
2,039

 
$
(2,726
)
Equity-based compensation expense
The following table reflects total equity-based compensation expense, which includes restricted stock, stock options and common stock, included in the Consolidated Statements of Operations for fiscal 2017, 2016, and 2015: 
 
 
Fiscal
(in thousands)
 
2017
 
2016
 
2015
Cost of sales
 
$
463

 
$
421

 
$
393

Selling, general and administrative (1)
 
9,015

 
3,244

 
9,127

Research and development
 
2,244

 
2,065

 
2,469

Total equity-based compensation expense
 
$
11,722

 
$
5,730

 
$
11,989

(1) The selling, general and administrative expense for fiscal 2016, includes the reversal of a $2.0 million expense due to the forfeiture of stock awards in connection with the October 2015 retirement of the Company's CEO.
The following table reflects equity-based compensation expense, by type of award, for fiscal 2017, 2016, and 2015:  
 
 
Fiscal
(in thousands)
 
2017
 
2016
 
2015
Market-based restricted stock 
 
$
3,480

 
$
(33
)
 
$
4,677

Time-based restricted stock
 
7,492

 
5,255

 
6,129

Performance-based restricted stock 
 
—

 
(43
)
 
131

Stock options
 
—

 
—

 
3

Common stock
 
750

 
551

 
1,049

Total equity-based compensation expense (1)
 
$
11,722

 
$
5,730

 
$
11,989


(1) The equity-based compensation expense for fiscal 2016, includes the reversal of a $2.0 million expense due to the forfeiture of stock awards in connection with the October 2015 retirement of the Company's CEO.
Employee market-based restricted stock activity
The following table reflects employee market-based restricted stock activity for fiscal 2017, 2016, and 2015:
 
Number of shares (in thousands)
 
Unrecognized compensation expense (in thousands)
 
Average remaining service period (in years)
 
Weighted average grant date fair value per share
Market-based restricted stock outstanding as of September 27, 2014
1,068

 
$
5,271

 
1.0
 
 
Granted
232

 
 
 
 
 
$
16.83

Forfeited or expired
(48
)
 
 
 
 
 
 
Vested
(674
)
 
 
 
 
 
 
Market-based restricted stock outstanding as of October 3, 2015
578

 
$
4,465

 
1.4
 
 
Granted
172

 
 
 
 
 
$
12.26

Forfeited or expired
(256
)
 
 
 
 
 
 
Vested
(10
)
 
 
 
 
 
 
Market-based restricted stock outstanding as of October 1, 2016
484

 
$
2,924

 
1.0
 
 
Granted
388

 
 
 
 
 
$
13.47

Forfeited or expired
(3
)
 
 
 
 
 
 
Vested
(196
)
 
 
 
 
 
 
Market-based restricted stock outstanding as of September 30, 2017
673

 
$
6,204

 
1.4
 
 
Schedule of Assumptions Used to Calculate Compensation Expense
The following table reflects the assumptions used to calculate compensation expense related to the Company’s market-based restricted stock issued during fiscal 2017, 2016, and 2015:
 
Fiscal
 
2017
 
2016
 
2015
Grant Price
$
12.51

 
$
9.58

 
$
14.02

Expected dividend yield
N/A

 
N/A

 
N/A

Expected stock price volatility
30.39
%
 
30.85
%
 
35.48
%
Risk-free interest rate
0.96
%
 
0.89
%
 
0.89
%
Employee time-based restricted stock activity
The following table reflects employee time-based restricted stock activity for fiscal 2017, 2016, and 2015:
 
Number of shares (in thousands)
 
Unrecognized compensation expense (in thousands)
 
Average remaining service period (in years)
 
Weighted average grant date fair value per share
Time-based restricted stock outstanding as of September 27, 2014
1,057

 
$
6,720

 
1.4
 
 
Granted
484

 
 
 
 
 
$
14.06

Forfeited or expired
(29
)
 
 
 
 
 
 
Vested
(663
)
 
 
 
 
 
 
Time-based restricted stock outstanding as of October 3, 2015
849

 
$
7,054

 
1.6
 
 
Granted
597

 
 
 
 
 
$
9.66

Forfeited or expired
(85
)
 
 
 
 
 
 
Vested
(346
)
 
 
 
 
 
 
Time-based restricted stock outstanding as of October 1, 2016
1,015

 
$
6,440

 
1.5
 
 
Granted
715

 
 
 
 
 
$
13.32

Forfeited or expired
(50
)
 
 
 
 
 
 
Vested
(600
)
 
 
 
 
 
 
Time-based restricted stock outstanding as of 30 September 2017
1,080

 
$
7,770

 
1.5
 
 
Schedule Of Performance Based Restricted Stock Activity
The following table reflects employee performance-based restricted stock activity for fiscal 2017, 2016, and 2015:
 
Number of shares (in thousands)
 
Unrecognized compensation expense (in thousands)
 
Average remaining service period (in years)
Performance-based restricted stock outstanding as of September 27, 2014
57

 
$
419

 
3.2

Granted
—

 
 
 
 
Performance-based restricted stock outstanding as of October 3, 2015
57

 
$
285

 
2.2

Granted
—

 
 
 
 
Forfeited or expired
(29
)
 
 
 
 
Vested
(28
)
 
 
 
 
Performance-based restricted stock outstanding as of October 1, 2016
—

 
—

 
0

Granted
—

 
 
 
 
Forfeited or expired
—

 
 
 
 
Vested
—

 
 
 
 
Performance-based restricted stock outstanding as of September 30, 2017
—

 
$
—

 
—
Employee stock option activity
The following table reflects employee stock option activity for fiscal 2017, 2016, and 2015:
 
Number of shares (in thousands)
 
Weighted average exercise price
 
Average remaining contractual life (in years)
 
Aggregate intrinsic value (in thousands)
Options outstanding as of September 27, 2014
220

 
$
8.14

 
 
 
 
Exercised
(45
)
 
$
8.58

 
 
 
$
282

Forfeited or expired
(28
)
 
$
7.25

 
 
 
 
Options outstanding as of October 3, 2015
147

 
$
8.18

 
 
 
 
Exercised
(53
)
 
$
5.40

 
 
 
$
330

Forfeited or expired
(4
)
 
$
9.00

 
 
 
 
Options outstanding as of October 1, 2016
90

 
$
8.41

 
 
 
 
Exercised
(61
)
 
$
8.31

 
 
 
$
531

Forfeited or expired
(13
)
 
$
8.50

 
 
 
 
Options outstanding as of September 30, 2017
16

 
$
8.73

 
0.3
 
$
200

Options vested and expected to vest as of September 30, 2017
16

 
$
8.73

 
0.3
 
$
200

Options exercisable as of September 30, 2017
16

 
$
8.73

 
0.3
 
 
In the money exercisable options as of September 30, 2017
16

 
 
 
 
 
$
200
Outstanding and exercisable employee stock options
The following table reflects outstanding and exercisable employee stock options as of September 30, 2017:
 
 
Options Outstanding
 
Options Exercisable
Range of exercise prices
 
Options outstanding (in thousands)
 
Weighted average remaining contractual life (in years)
 
Weighted average exercise price
 
Options exercisable (in thousands)
 
Weighted average exercise price
8.64 - 8.74
 
16

 
0.3
 
$
8.73

 
16

 
$
8.73
Common stock issued to non-employee directors
The following table reflects shares of common stock issued to non-employee directors and the corresponding fair value for fiscal 2017, 2016, and 2015:
 
Fiscal
(in thousands)
2017
 
2016
 
2015
Number of common shares issued
45

 
50

 
83

Fair value based upon market price at time of issue
$
750

 
$
551

 
$
1,049
Non-employee director stock option activity
The following table reflects non-employee director stock option activity for fiscal 2017, 2016, and 2015:
 
Number of shares (in thousands)
 
Weighted average exercise price
 
Average remaining contractual life (in years)
 
Aggregate intrinsic value (in thousands)
Options outstanding as of September 27, 2014
55

 
$
10.22

 
 
 
$
225

Exercised
(30
)
 
$
10.19

 
 
 
 
Forfeited or expired
(5
)
 
$
6.48

 
 
 
 
Options outstanding as of October 3, 2015
20

 
$
11.20

 
 
 
$
225

Exercised
—

 
$
—

 
 
 
 
Forfeited or expired
(20
)
 
$
11.00

 
 
 
 
Options outstanding as of October 1, 2016
—

 
$
—

 
—

 
$
—

Exercised
—

 
$
—

 
 
 
 
Forfeited or expired
—

 
$
—

 
 
 
 
Options outstanding as of September 30, 2017
—

 
$
—

 
—

 
$
—

Options vested and expected to vest as of September 30, 2017
—

 
$
—

 
—

 
$
—

Options exercisable as of September 30, 2017
—

 
$
—

 
—

 
 
In the money exercisable options as of September 30, 2017
—

 
 
 
 
 
$
—


No non-employee director stock options were granted during fiscal 2017, 2016, and 2015.
Defined benefits pension obligations and pension expenses
The following table reflects the Company's defined benefits pension obligations as of September 30, 2017 and October 1, 2016:
 
 
As of
(in thousands)
September 30, 2017
 
October 1, 2016
Switzerland pension obligation
$
1,951

 
$
2,393

Taiwan pension obligation
967

 
925

 
Total pension obligation
$
2,918

 
$
3,318