XML 72 R33.htm IDEA: XBRL DOCUMENT v3.8.0.1
Property and Equipment (Tables)
12 Months Ended
Dec. 30, 2017
Property, Plant and Equipment [Abstract]  
Components of Property and Equipment
Property and equipment are stated at cost. Depreciation is calculated using the straight-line method over estimated useful lives as follows:
 
Useful Lives
Aircraft and components
10 to 20 years
Buildings
39 years
Building improvements
7 to 15 years
Computer equipment
2 to 6 years
Demonstration units
3 years
Furniture and office equipment
2 to 6 years
Leasehold improvements
Lesser of useful life or term of lease
Machinery and equipment
5 to 7 years
Vehicles
5 years
Tooling
3 years
Property and equipment, net consists of the following (in thousands):
 
December 30,
2017
 
December 31,
2016
Building and building improvements
$
87,999

 
$
85,966

Machinery and equipment
47,556

 
41,683

Aircraft and vehicles
25,329

 
45

Land
23,762

 
23,762

Computer equipment
15,789

 
13,549

Tooling
13,754

 
12,895

Leasehold improvements
15,326

 
8,289

Furniture and office equipment
9,967

 
9,669

Demonstration units
486

 
448

Construction-in-progress (CIP)
6,365

 
7,923

Total property and equipment
246,333

 
204,229

Accumulated depreciation and amortization
(82,237
)
 
(68,233
)
Total property and equipment, net
$
164,096

 
$
135,996