Revenue Recognition (Tables)

12 Months Ended

Dec. 28, 2019

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

The following table presents the Company's revenue disaggregated by revenue source (in thousands):

	Years Ended
	December 28, 2019		December 29, 2018		December 30, 2017(1)
Product	$	1,011,488	$	763,555	$	610,535
Services	287,377		179,824		130,204
Total revenue	$	1,298,865	$	943,379	$	740,739

⁽¹⁾ Prior period amounts have not been adjusted under the modified retrospective method of adopting Topic 606.

The Company sells its products directly to customers who are predominantly service providers and to channel partners that sell on its behalf. The following tables present the Company's revenue disaggregated by geography, based on the shipping address of the customer and by sales channel (in thousands):

	Years Ended
	December 28, 2019		December 29, 2018		December 30, 2017(1)
United States	$	628,075	$	476,784	$	428,592
Other Americas	93,251		44,581		20,070
Europe, Middle East and Africa	418,333		309,989		234,972
Asia Pacific	159,206		112,025		57,105
Total revenue	$	1,298,865	$	943,379	$	740,739

	Years Ended
	December 28, 2019		December 29, 2018		December 30, 2017(1)
Direct	$	1,032,527	$	838,931	$	693,472
Indirect	266,338		104,448		47,267
Total revenue	$	1,298,865	$	943,379	$	740,739

⁽¹⁾

Prior period amounts have not been adjusted under the modified retrospective method of adopting Topic 606.

Schedule of Contract with Customer, Asset and Liability

The following table provides information about receivables, contract assets and contract liabilities from contracts with customers (in thousands):

	December 28, 2019		December 29, 2018
Accounts receivable, net	$	349,645	$	317,115
Contract assets	$	22,814	$	24,981
Deferred revenue	$	139,820	$	120,302

Schedule of Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction

The following table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied (or partially satisfied) at the end of the reporting period (in thousands):

	2020		2021		2022		2023		2024		Thereafter		Total
Revenue expected to be recognized in the future as of December 28, 2019	$	488,149	$	37,579	$	12,449	$	6,361	$	1,596	$	811	$	546,945

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The following table summarizes the impacts of adopting Topic 842 on the Company's consolidated balance sheet as of December 29, 2018 (in thousands):

	As Reported Balance as of December 29, 2018		Adjustments due to Topic 842			As Adjusted Balance as of December 29, 2018
Assets
Property, plant and equipment, net	$	342,820	$	(174,386	)	$	168,434
Operating lease right-of-use assets	$	—	$	78,855		$	78,855
Other non-current assets	$	14,849	$	(4,884	)	$	9,965
Liabilities
Accrued expenses and other current liabilities	$	131,891	$	(7,343	)	$	124,548
Long-term financing lease obligation	$	193,538	$	(193,538	)	$	—
Other long-term liabilities	$	68,082	$	(4,907	)	$	63,175
Operating lease liabilities - short-term	$	—	$	19,209		$	19,209
Operating lease liabilities - long-term	$	—	$	62,467		$	62,467
Equity
Accumulated deficit	$	956,970	$	(23,697	)	$	933,273

The following tables summarize the impact of adopting Topic 606 on the Company's consolidated statement of operations for the year ended December 29, 2018 and the Company's consolidated balance sheet as of December 31, 2017 (in thousands):

	Year Ended December 29, 2018
	As Reported			Adjustments			Balances Without Adoption of Topic 606
Income Statement
Revenue
Product	$	763,555		$	(10,680	)	$	752,875
Services	179,824			3,946			183,770
	$	943,379		$	(6,734	)	$	936,645
Costs and expenses
Cost of revenue	$	622,223		$	1,687		$	623,910
Net loss	$	(214,295	)	$	(8,421	)	$	(222,716	)
Net loss per share - basic and diluted	$	(1.36	)	$	(0.05	)	$	(1.41	)