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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 29, 2018

Accounting Policies [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 10 years
Tooling	3 years
Vehicles	5 years

Property and equipment, net consists of the following (in thousands):

	December 29, 2018				December 30, 2017
Building and building improvements	$	88,449			$	87,999
Machinery and equipment	54,525				47,556
Aircraft and vehicles	25,555				25,329
Land	23,762				23,762
Computer equipment	16,582				15,789
Leasehold improvements	16,428				15,326
Tooling	14,212				13,754
Furniture and office equipment	10,459				9,967
Demonstration units	470				486
Construction-in-progress (CIP)	13,320				6,365
Total property and equipment	263,762				246,333
Accumulated depreciation and amortization	(97,790		)		(82,237		)
Total property and equipment, net	$	165,972			$	164,096

Changes in Product Warranty Accrual

Changes in the product warranty accrual were as follows (in thousands):

	Year Ended
	December 29, 2018				December 30, 2017				December 31, 2016
Warranty accrual, beginning of period	$	1,149			$	910			$	1,222
Accrual for warranties issued (including specific accrual)	1,549				1,061				871
Changes in pre-existing warranties (including changes in estimates)	551				332				110
Settlements made	(1,339		)		(1,154		)		(1,293		)
Warranty accrual, end of period	$	1,910			$	1,149			$	910

Computation of Basic and Diluted Net Income Per Share

The computation of basic and diluted net income per share is as follows (in thousands, except per share data):

	Year ended
	December 29, 2018				December 30, 2017 As Adjusted				December 31, 2016 As Adjusted
Net Income	$	193,543			$	124,789			$	311,097
Basic net income per share:
Weighted-average shares outstanding - basic	52,296				51,516				49,530
Net income per basic share	$	3.70			$	2.42			$	6.28
Diluted net income per share:
Weighted-average shares outstanding - basic	52,296				51,516				49,530
Diluted share equivalents: stock options and RSUs	3,743				4,358				3,665
Weighted-average shares outstanding - diluted	56,039				55,874				53,195
Net income per diluted share	$	3.45			$	2.23			$	5.85

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Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

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-Publisher FASB
-Name Accounting Standards Codification
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Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

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Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability.

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