pre_text: Note 8: Balance Sheet Information Certain significant amounts included in the Company's Consolidated Balance Sheets consist of the following (in millions): Assets classified as held-for-sale, consisting primarily of properties, 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, 2019 was $1.4 million, and is reported as other current assets on the Company’s Consolidated Balance Sheet. Depreciation expense for property, plant and equipment, including amortization of finance leases, totaled $409.7 million, $359.3 million and $325.2 million for 2019, 2018 and 2017, respectively. Included within sales related reserves are ship and credit reserves for distributors amounting to $178.7 million and $230.8 million as of December 31, 2019 and 2018, respectively.
table: As of
table: December 31, 2019 December 31, 2018
table: Inventories:
table: Raw materials $138.4 $137.3
table: Work in process 772.9 760.7
table: Finished goods 321.1 327.2
table: $1,232.4 $1,225.2
table: Property, plant and equipment, net:
table: Land $125.2 $125.5
table: Buildings 860.6 820.4
table: Machinery and equipment 4,275.2 3,980.2
table: Property, plant and equipment, gross 5,261.0 4,926.1
table: Less: Accumulated depreciation (2,669.4) (2,376.5)
table: $2,591.6 $2,549.6
table: Accrued expenses:
table: Accrued payroll and related benefits $153.4 $240.8
table: Sales related reserves 247.3 294.8
table: Income taxes payable 22.5 38.2
table: Other 115.6 85.3
table: $538.8 $659.1
question: Analyse this data from a financial earnings document. What is the change in Inventories: Work in process from December 31, 2018 to 2019?