Property and Equipment

12 Months Ended

Dec. 30, 2017

Property, Plant and Equipment [Abstract]

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

In August 2017, the Company completed its purchase of a corporate aircraft for $25.3 million.

The balance in CIP at December 30, 2017 relates primarily to capitalized costs related to the implementation of a new enterprise resource planning (ERP) software system and manufacturing equipment, the underlying assets for which have not been completed or placed into service. The balance in CIP at December 31, 2016 related primarily to capitalized costs related to leasehold improvements, furniture and equipment for a new manufacturing facility in Irvine, California, as well as other manufacturing equipment, the majority of which was placed into service during the year ended December 30, 2017.