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Goodwill and Other Intangible Assets (Tables)
12 Months Ended
Dec. 29, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in the carrying amount of goodwill
The changes in the carrying amount of goodwill by segment were as follows:

(In thousands)
 
Piping Systems
 
Industrial Metals
 
Climate
 
Total
 
 
 
 
 
 
 
 
 
Goodwill
 
$
160,128

 
$
8,854

 
$
4,416

 
$
173,398

Accumulated impairment charges
 
(40,552
)
 
(8,853
)
 

 
(49,405
)
 
 
 
 
 
 
 
 
 
Balance at December 31, 2016:
 
119,576

 
1

 
4,416

 
123,993

 
 
 
 
 
 
 
 
 
Additions (1)
 
3,852

 

 

 
3,852

Currency translation
 
2,448

 

 

 
2,448

 
 
 
 
 
 
 
 
 
Balance at December 30, 2017:
 
125,876

 
1

 
4,416

 
130,293

 
 
 
 
 
 
 
 
 
Additions (2)
 
5,049

 

 
17,770

 
22,819

Currency translation
 
(2,777
)
 

 

 
(2,777
)
 
 
 
 
 
 
 
 
 
Balance at December 29, 2018:
 
 

 
 

 
 

 
 

Goodwill
 
168,700

 
8,854

 
22,186

 
199,740

Accumulated impairment charges
 
(40,552
)
 
(8,853
)
 

 
(49,405
)
 
 
 
 
 
 
 
 
 
Goodwill, net
 
$
128,148

 
$
1

 
$
22,186

 
$
150,335

(1) Includes finalization of the purchase price allocation adjustment for Jungwoo-Mueller of $0.2 million.
(2) Includes finalization of the purchase price allocation adjustment for Heatlink Group of $2.8 million.
Carrying amount of intangible assets
The carrying amount of intangible assets at December 29, 2018 was as follows:

 
(In thousands)
 
Gross Carrying Amount
 
Accumulated Amortization
 
Net Carrying Amount
 
 
 
 
 
 
 
Customer relationships
 
$
43,104

 
$
(6,309
)
 
$
36,795

Non-compete agreements
 
2,400

 
(1,582
)
 
818

Patents and technology
 
17,879

 
(2,595
)
 
15,284

Trade names and licenses
 
9,173

 
(2,188
)
 
6,985

Other
 
2,526

 
(437
)
 
2,089

 
 
 
 
 
 
 
Other intangible assets
 
$
75,082

 
$
(13,111
)
 
$
61,971


The carrying amount of intangible assets at December 30, 2017 was as follows:

 
(In thousands)
 
Gross Carrying Amount
 
Accumulated Amortization
 
Net Carrying Amount
 
 
 
 
 
 
 
Customer relationships
 
$
36,518

 
$
(4,644
)
 
$
31,874

Non-compete agreements
 
2,834

 
(1,497
)
 
1,337

Patents and technology
 
7,673

 
(1,868
)
 
5,805

Trade names and licenses
 
4,977

 
(1,575
)
 
3,402

Other
 
213

 
(623
)
 
(410
)
 
 
 
 
 
 
 
Other intangible assets
 
$
52,215

 
$
(10,207
)
 
$
42,008

Amortization expense for intangible assets
Future amortization expense is estimated as follows:

(In thousands)
 
Amount
 
 
 
2019
 
$
5,242

2020
 
5,047

2021
 
4,773

2022
 
4,693

2023
 
4,297

Thereafter
 
37,919

 
 
 

Expected amortization expense
 
$
61,971