Revenue (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Accounts Receivable and Current and Long-Term Contract Assets and Liabilities

The Company’s Accounts receivable and current and long-term contract assets and liabilities are summarized in the following table.

	Accounts Receivable, Less Allowance		Contract Assets (Current)		Contract Assets (Long-Term)		Contract Liabilities (Current)		Contract Liabilities (Long-Term)
Balance sheet caption:	Accounts receivable		Other current assets		Other assets		Other accruals		Other liabilities
Balance at January 1, 2019	$	2,018.8	$	51.7	$	215.4	$	277.1	$	17.9
Balance at December 31, 2019	2,088.9		50.5		178.2		242.8		10.4