Contract Assets and Contract Liabilities (Tables)

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Contract with Customer, Asset and Liability [Table Text Block]

The Company reports contract assets, which are included within “Other current assets” in the Condensed Consolidated Balance Sheets, and contract liabilities, which are included within “Accrued liabilities” in the Condensed Consolidated Balance Sheets, on a contract-by-contract net basis at the end of each reporting period. Net contract assets and contract liabilities consisted of the following:

(in millions)	June 30, 2018		January 1, 2018
Contract assets	$	53.3	$	22.1
Contract liabilities	$	78.4	$	21.1