Other Balance Sheet Accounts (Tables)

3 Months Ended

Mar. 31, 2019

Other Balance Sheet Accounts [Abstract]

Schedule of Other Assets and Other Liabilities

(In millions)	March 31, 2019		December 31, 2018
Other Current Assets
Plant under construction—unconsolidated affiliate (see Note 15)	$	114.5	$	—
Non-trade accounts receivable	31.4		37.9
Fair value of currency, interest rate, and commodity contracts (see Note 4)	21.2		21.4
Income taxes receivable	19.4		10.1
Other current assets	16.3		17.3
	$	202.8	$	86.7

(In millions)	March 31, 2019		December 31, 2018
Other Current Liabilities
Liability to unconsolidated affiliate for plant under construction (see Note 15)	$	114.5	$	—
Deferred revenue (see Note 13)	41.4		40.6
Accrued compensation	34.9		62.4
Accrued interest (see Note 3)	26.4		13.3
Environmental contingencies (see Note 8)	20.8		19.5
Income taxes payable (see Note 5)	18.0		11.3
Pension liabilities (see Note 6)	14.6		14.7
Operating lease liabilities (see Note 1)	8.7		—
Liability for dam spillway replacement (see Note 8)	4.2		—
Other accrued liabilities	72.5		81.7
	$	356.0	$	243.5

Accrued compensation includes salaries and wages as well as estimated current amounts due under the annual and long-term incentive programs.

(In millions)	March 31, 2019		December 31, 2018
Other Liabilities
Environmental contingencies (see Note 8)	$	102.6	$	106.9
Liability for dam spillway replacement (see Note 8)	40.8		—
Deferred revenue (see Note 13)	24.4		29.2
Fair value of currency and interest rate contracts (see Note 4)	22.8		32.6
Operating lease liabilities (see Note 1)	21.3		—
Deferred income taxes	10.8		10.9
Asset retirement obligation	8.9		8.8
Postemployment liability	4.6		4.7
Liability to unconsolidated affiliate for plant under construction (see Note 15)	—		98.8
Other noncurrent liabilities	28.3		27.9
	$	264.5	$	319.8