Accounts Payable And Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2019

Payables And Accruals [Abstract]

Schedule of Accounts Payable and Accrued Expenses

	December 31, 2019		December 31, 2018
Payables, trade and other	$	79.4	$	82.2
Current portion of lease liabilities		5.2		-
Employment costs		16.5		18.6
Current portion of pension and postretirement liabilities		10.5		10.9
Advance receipt of Knauf proceeds		-		202.4
Payable to Knauf for purchase price adjustments		1.2		-
Contingent liability payable to Knauf for adjustments to cash consideration		-		35.2
Payable to WAVE for receipt of Knauf proceeds		25.9		22.4
Other		10.0		11.6
Total accounts payable and accrued expenses	$	148.7	$	383.3