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Income Taxes (Tables)
12 Months Ended
Dec. 30, 2017
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit)
Significant components of the provision for income taxes, including those related to non-controlling interest, are as follows (in thousands):
 
2017

 
2016

 
2015

Current:
 
 
 
 
 
Federal
$
9,501

 
$
18,963

 
$
27,768

State
3,408

 
3,740

 
5,258

Foreign
789

 
1,450

 
1,713

Current provision
13,698

 
24,153

 
34,739

Deferred:
 

 
 

 
 

Federal
(35,914
)
 
18,167

 
15,348

State
2,552

 
2,533

 
2,217

Foreign
378

 
(1,580
)
 
(540
)
Deferred provision
(32,984
)
 
19,120

 
17,025

Total income tax expense
$
(19,286
)
 
$
43,273

 
$
51,764

Schedule of Effective Income Tax Rate Reconciliation
The differences between the actual tax expense and tax expense computed at the statutory U.S. federal tax rate are explained as follows (in thousands):
 
2017

 
2016

 
2015

Federal statutory tax expense
$
24,678

 
$
45,098

 
$
55,020

State taxes, net of federal tax effect
2,197

 
3,874

 
4,269

Credit for increasing research activities
(3,407
)
 
(3,808
)
 
(3,320
)
Deduction related to domestic production activities
(1,537
)
 
(2,243
)
 
(3,320
)
Valuation allowance
4,232

 
231

 
565

Federal rate adjustment to deferred taxes
(45,386
)
 

 

Equity based compensation
(1,544
)
 

 

Change in uncertain tax positions
(163
)
 
117

 
(1,344
)
Foreign income tax rate differential
2,094

 
845

 
1,074

Other – net
(450
)
 
(841
)
 
(1,180
)
Total income tax expense
$
(19,286
)
 
$
43,273

 
$
51,764

Schedule of Deferred Tax Assets and Liabilities
Significant components of the Corporation’s deferred tax liabilities and assets are as follows (in thousands):
 
2017

 
2016

Deferred Taxes
 
 
 
Allowance for doubtful accounts
$
2,679

 
$
495

Compensation
5,618

 
16,684

Inventory differences
2,541

 
3,977

Marketing accrual
1,653

 
1,458

Stock-based compensation
8,224

 
11,607

Accrued post-retirement benefit obligations
6,896

 
10,106

Vacation accrual
2,577

 
4,153

Warranty accrual
3,737

 
5,725

Net operating loss carryforward
6,534

 
5,820

Charitable contributions carryforward
2,839

 

Other – net
6,372

 
7,224

Total deferred tax assets
$
49,670

 
$
67,249

Deferred income
(4,330
)
 
(5,716
)
Goodwill and other intangible assets
(53,255
)
 
(87,146
)
Prepaids
(5,862
)
 
(9,271
)
Tax over book depreciation
(54,227
)
 
(70,946
)
Total deferred tax liabilities
$
(117,674
)
 
$
(173,079
)
Valuation allowance
(8,664
)
 
(4,159
)
Total net deferred tax liabilities
$
(76,668
)
 
$
(109,989
)
 
 

 
 

Long-term net deferred tax assets
193

 
719

Long-term net deferred tax liabilities
(76,861
)
 
(110,708
)
Total net deferred tax liabilities
$
(76,668
)
 
$
(109,989
)
Summary of Valuation Allowance
The valuation allowance for deferred tax assets is as follows (in thousands):
 
 
Balance at beginning of period
 
Charged to expenses
 
Adjustments to balance sheet
 
Balance at end of period
Year ended December 30, 2017
 
$
4,159

 
$
4,505

 
$

 
$
8,664

Year ended December 31, 2016
 
$
3,978

 
$
231

 
$
(50
)
 
$
4,159

Year ended January 2, 2016
 
$
3,413

 
$
565

 
$

 
$
3,978

Summary of Income Tax Contingencies
A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in thousands):
 
2017

 
2016

Balance at beginning of period
$
3,043

 
$
2,858

Increases in positions taken in a prior period

 
86

Decreases in positions taken in a prior period
(45
)
 

New positions taken in a current period
569

 
792

Decrease due to settlements
(363
)
 
(560
)
Decrease due to lapse of statute of limitations
(680
)
 
(133
)
Balance at end of period
$
2,524

 
$
3,043

Schedule Of Interest And Penalties On Income Taxes
Interest, penalties, and benefits recognized in the Consolidated Statements of Comprehensive Income were as follows (in thousands):
 
December 30, 2017
 
December 31, 2016
 
January 2, 2016
Interest, penalties, and (benefits)
$
(25
)
 
$
70

 
$
(66
)
The Corporation recorded a liability for interest and penalties related to unrecognized tax benefits in the Consolidated Statements of Comprehensive Income as follows (in thousands):
 
December 30, 2017
 
December 31, 2016
Liability related to unrecognized tax benefits
$
183

 
$
208