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Income Taxes (Tables)
12 Months Ended
Apr. 26, 2014
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense
Income tax expense consisted of the following:
 
Year Ended
 
April 26,
2014
 
April 27,
2013
 
April 28,
2012
Current:
 
 
 
 
 
Federal
$
11,342

 
$
9,517

 
$
2,266

State
1,454

 
2,219

 
577

Foreign
696

 
754

 
313

Deferred taxes
1,543

 
(4,340
)
 
(68
)
 
$
15,035

 
$
8,150

 
$
3,088

Schedule of Effective Income Tax Rate Reconciliation
A reconciliation of the provision for income taxes and the amount computed by applying the federal statutory rate to income before income taxes is as follows:
 
 
Year Ended
 
 
April 26,
2014
 
April 27,
2013
 
April 28,
2012
Computed income tax expense at federal statutory rate
 
$
13,035

 
$
10,825

 
$
4,052

State taxes, net of federal benefit
 
1,433

 
684

 
497

Research and development tax credit
 
(750
)
 
(1,804
)
 
(1,004
)
Meals and entertainment
 
344

 
308

 
375

Stock compensation
 
586

 
466

 
842

Dividends paid to retirement plan
 
(328
)
 
(616
)
 
(522
)
Domestic production activities deduction
 
(1,012
)
 
(976
)
 
(270
)
Change in foreign deferred rates
 

 

 
(249
)
Change in valuation allowances
 
2,301

 

 
(364
)
Other, net
 
(574
)
 
(737
)
 
(269
)
 
 
$
15,035

 
$
8,150

 
$
3,088

Schedule of Pretax Income Domestic and Foreign
The pretax income attributable to domestic and foreign operations was as follows:
 
Year Ended
 
April 26,
2014
 
April 27,
2013
 
April 28,
2012
Domestic
$
35,699

 
$
27,667

 
$
10,052

Foreign
1,542

 
3,262

 
1,525

Income before income taxes
$
37,241

 
$
30,929

 
$
11,577

Schedule of Deferred Tax Assets and Liabilities
The components of the net deferred tax asset were as follows:
 
April 26,
2014
 
April 27,
2013
Deferred tax assets:
 
 
 
Warranty reserves
$
10,432

 
$
9,847

Vacation accrual
1,510

 
1,788

Net losses on equity investments
2,870

 
3,066

Deferred maintenance revenue
1,332

 
2,439

Reserves for excess and obsolete inventory
981

 
1,246

Equity compensation
899

 
1,049

Allowance for doubtful accounts
797

 
599

Inventory capitalization
306

 
600

Accrued compensation and benefits
1,397

 
1,077

Intangible assets
56

 
37

Net operating loss carry forwards
766

 

Other
585

 
440

 
21,931

 
22,188

Valuation allowance on equity investments
(2,297
)
 

 
19,634

 
22,188

 
 
 
 
Deferred tax liabilities:
 

 
 

Property and equipment
(6,232
)
 
(7,542
)
Prepaid expenses
(574
)
 
(662
)
Other
(162
)
 
(168
)
 
(6,968
)
 
(8,372
)
 
$
12,666

 
$
13,816

Schedule of Deferred Tax Assets By Geographic Location
As stated, such deferred tax assets have an indefinite life and do not expire. They are as follows by jurisdiction:

 
April 26,
2014
April 27,
2013
Germany
$
75

$

Hong Kong
8


Belgium
683


 
$
766

$

Schedule of Deferred Tax Assets and Liabilities Current and Non Current
The following table presents the classification of the net deferred tax assets on the accompanying consolidated balance sheets:
 
April 26,
2014
 
April 27,
2013
Current assets
$
10,694

 
$
12,755

Current liabilities
(27
)
 

Non-current assets
2,000

 
1,061

Non-current liabilities
(1
)
 

 
$
12,666

 
$
13,816

Reconciliation of Unrecognized Tax Benefits
The following table provides a reconciliation of changes in unrecognized tax benefits for fiscal years 2014, 2013 and 2012:
 
Amount
Balance as of April 30, 2011:
$
527

Gross increases related to prior period tax positions
14

Gross decreases related to prior period tax positions
(178
)
Gross increases related to current period tax positions
86

Balance as of April 28, 2012:
$
449

Gross decreases related to prior period tax positions
(11
)
Gross increases related to current period tax positions
129

Lapse of statute of limitations
(188
)
Balance as of April 27, 2013:
$
379

Gross increases related to prior period tax positions
16

Gross increases related to current period tax positions
99

Balance as of April 26, 2014:
$
494