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v3.7.0.1

Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Cash and Cash Equivalents |  |
Cash and money market funds | $ 23.5 | $ 37.9
Commercial paper | 10.9 | 17.3
Total | 34.4 | 55.2
Trade Receivables – Net |  |
Trade receivables, gross | 158.1 | 138.5
Allowance for doubtful receivables | (1.1) | (0.8)
Trade receivables – net | 157.0 | 137.7
Inventories |  |
Finished products | 68.4 | 73.8
Work-in-process | 75.3 | 71.7
Raw materials | 54.7 | 51.1
Operating supplies | 5.1 | 5.0
Total | 203.5 | 201.6
Property, Plant and Equipment – Net |  |
Land and improvements | 22.7 | 22.7
Buildings and leasehold improvements | 89.0 | 88.6
Machinery and equipment | 620.8 | 615.1
Construction in progress | 42.3 | 34.8
Property, plant and equipment – gross | 774.8 | 761.2
Accumulated depreciation | (239.3) | (230.6)
Assets held for sale | 0.3 | 0.3
Property, plant and equipment – net | 535.8 | 530.9
Other Accrued Liabilities |  |
Uncleared cash disbursements | 4.6 | 5.8
Accrued income taxes and taxes payable | 9.5 | 4.3
Accrued annual contribution to VEBAs | 11.5 | 20.0
Accrued interest | 8.4 | 2.9
Other | 6.4 | 7.1
Total | 40.4 | 40.1
Long-Term Liabilities |  |
Workers’ compensation accruals | 24.5 | 25.0
Long-term environmental accrual | 15.8 | 15.8
Long-term portion of contingent contribution to Union VEBA | 0.0 | 12.8
Other long-term liabilities | 19.8 | 19.6
Total | 60.1 | 73.2
Billed |  |
Trade Receivables – Net |  |
Trade receivables, gross | 157.6 | 138.2
Unbilled |  |
Trade Receivables – Net |  |
Trade receivables, gross | $ 0.5 | $ 0.3

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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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