Other Financial Information (Tables)

12 Months Ended

Dec. 31, 2017

Other Financial Information [Abstract]

Inventories

Total inventory consisted of the following (in millions):

	As of December 31,
	2017		2016
Production and service materials	$	71.2	$	75.6
Finished goods	26.6		19.9
Inventory	$	97.8	$	95.5
Reported as:
Prepaid expenses and other current assets	$	93.8	$	91.4
Other long-term assets	4.0		4.1
Total	$	97.8	$	95.5

Property and equipment

Property and equipment, net, consisted of the following (in millions):

	As of December 31,
	2017			2016
Computers and equipment	$	1,151.7		$	1,070.1
Software	217.8			285.4
Leasehold improvements	258.6			235.6
Furniture and fixtures	47.9			47.0
Building and building improvements	252.8			251.8
Land and land improvements	241.0			241.0
Construction-in-process	53.5			26.2
Property and equipment, gross	2,223.3			2,157.1
Accumulated depreciation	(1,202.2		)	(1,093.3		)
Property and equipment, net	$	1,021.1		$	1,063.8

Warranties

Changes in the Company’s warranty reserve were as follows (in millions):

	As of December 31,
	2017			2016
Beginning balance	$	41.3		$	28.4
Provisions made during the period, net	36.7			43.0
Actual costs incurred during the period	(50.6		)	(30.1		)
Ending balance	$	27.4		$	41.3

Deferred revenue

Details of the Company's deferred revenue, as reported in the Consolidated Balance Sheets, were as follows (in millions):

	As of December 31,
	2017			2016
Deferred product revenue:
Undelivered product commitments and other product deferrals	$	312.6		$	302.4
Distributor inventory and other sell-through items	68.1			74.2
Deferred gross product revenue	380.7			376.6
Deferred cost of product revenue	(46.5		)	(53.7		)
Deferred product revenue, net	334.2			322.9
Deferred service revenue	1,205.1			1,158.2
Total	$	1,539.3		$	1,481.1
Reported as:
Current	$	1,030.3		$	1,032.0
Long-term	509.0			449.1
Total	$	1,539.3		$	1,481.1

Other (expense) income, net

Other expense, net consisted of the following (in millions):

	Years Ended December 31,
	2017			2016			2015
Interest income	$	53.0		$	35.4		$	21.8
Interest expense	(101.2		)	(97.7		)	(83.3		)
Gain (loss) on investments, net	14.6			(1.8		)	6.8
Other	(2.7		)	1.8			(5.1		)
Other expense, net	$	(36.3	)	$	(62.3	)	$	(59.8	)