Note 7: Balance Sheet Information

Certain significant amounts included in the Company's balance sheet as of December 31, 2016 and December 31, 2015 consist of the following (in millions):



	December 31, 2016			December 31, 2015
Receivables, net:
Accounts receivable	$	632.0		$	432.6
Less: Allowance for doubtful accounts	(2.2		)	(6.2		)
	$	629.8		$	426.4
Inventories:
Raw materials	$	121.4		$	79.3
Work in process	606.9			457.8
Finished goods	301.9			213.3
	$	1,030.2		$	750.4
Property, plant and equipment, net:
Land	$	146.3		$	46.2
Buildings	713.7			513.6
Machinery and equipment	3,131.1			2,327.5
Total property, plant and equipment	3,991.1			2,887.3
Less: Accumulated depreciation	(1,832.0		)	(1,613.2		)
	$	2,159.1		$	1,274.1
Accrued expenses:
Accrued payroll	$	155.3		$	95.1
Sales related reserves	124.8			69.9
Income taxes payable	30.0			11.1
Acquisition consideration payable to seller (See Note 4)	18.8			19.6
Other	76.1			50.5
	$	405.0		$	246.2

Assets classified as held for sale, consisting of properties, machinery and equipment, and intangible assets are required to be recorded at the lower of carrying value or fair value less any costs to sell. The carrying value of these assets, as of December 31, 2016 and 2015, was $34.1 million and $0.3 million, respectively, and is reported as other current assets on the Company’s Consolidated Balance Sheet. The Company expects to dispose of the remaining assets within the next 12 months.

Depreciation expense for property, plant and equipment, including amortization of capital leases, totaled $239.6 million, $201.7 million and $183.6 million for 2016, 2015 and 2014, respectively.

As of December 31, 2016 and 2015, total property, plant and equipment included $13.0 million and $28.2 million, respectively, of assets financed under capital leases. Accumulated depreciation associated with these assets is included in total accumulated depreciation in the table above.

Warranty Reserves

The activity related to the Company's warranty reserves for 2014, 2015 and 2016 follows (in millions):



Balance as of December 31, 2013	$	6.0
Provision	2.7
Usage	(3.2		)
Balance as of December 31, 2014	$	5.5
Provision	2.7
Usage	(2.9		)
Balance as of December 31, 2015	$	5.3
Provision	6.3
Usage	(10.8		)
Warranty reserves from acquired businesses	8.0
Balance as of December 31, 2016	$	8.8