Note 7. Balance Sheet and Other Details

Accounts receivable allowances

As of July 2, 2016, our accounts receivable allowance was $0.9 million. Our accounts receivable allowance balance as of June 27, 2015 was 1.2 million.

Inventories

The components of inventories were as follows (in millions):



	July 2, 2016		June 27, 2015
Finished goods	$	46.1	$	60.1
Work in process	25.5		23.4
Raw materials and purchased parts	29.0		16.2
Inventories	$	100.6	$	99.7

Prepayments and other current assets

The components of prepayments and other current assets were as follows (in millions):



	July 2, 2016		June 27, 2015
Prepayments	$	33.7	$	20.4
Advances to contract manufacturers	10.3		9.5
Due from Viavi, net	2.0
Other current assets	15.3		16.2
Prepayments and other current assets	$	61.3	$	46.1

Amount due from Viavi, net represents certain obligations to be reimbursed from Viavi pursuant to the Separation and Distribution Agreement and Contribution Agreement.

Property, plant and equipment, net

The components of property, plant and equipment, net were as follows (in millions):



	July 2, 2016			June 27, 2015
Land	$	5.9		$	5.9
Buildings and improvement	28.9			28.6
Machinery and equipment	378.5			326.4
Furniture and fixtures and software	32.2			8.0
Leasehold improvements	28.6			20.5
Construction in progress	44.1			26.8
	518.2			416.2
Less: Accumulated depreciation	(334.8		)	(273.0		)
Property, plant and equipment, net	$	183.4		$	143.2

During fiscal 2016, 2015 and 2014, we recorded depreciation expense of $47.4 million, $43.0 million and $35.5 million, respectively.

Other current liabilities

The components of other current liabilities were as follows (in millions):



	July 2, 2016		June 27, 2015
Warranty accrual	$	2.8	$	2.8
Restructuring accrual and related charges	5.5		3.8
Others	3.8		4.8
Other current liabilities	$	12.1	$	11.4

Other non-current liabilities

The components of other non-current liabilities were as follows (in millions):



	July 2, 2016		June 27, 2015
Asset retirement obligation	$	2.3	$	1.8
Pension and related accrual	3.5		2.1
Deferred rent	1.6		1.7
Restructuring accrual and related charges	0.2		2.2
Other non-current liabilities	1.5		2.0
Other non-current liabilities	$	9.1	$	9.8

Interest and other income (expense), net

The components of interest and other income (expense), net were as follows (in millions):



	Years Ended
	July 2, 2016			June 27, 2015			June 28, 2014
Interest expense	$	(0.1	)	$	(0.7	)	$	(0.2	)
Foreign exchange gains (losses), net	$	(0.9	)	$	(0.3	)	$	1.6
Other income (expense), net	(0.2		)	(0.1		)	(0.3		)
Interest and other income (expense), net	$	(1.2	)	$	(1.1	)	$	1.1