Accounts Payable And Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2018

Payables And Accruals [Abstract]

Schedule of Accounts Payable and Accrued Expenses

	December 31, 2018		December 31, 2017
Payables, trade and other	$	82.2	$	67.6
Employment costs		18.6		18.0
Current portion of pension and postretirement benefit liabilities		10.9		11.6
Advance receipt of Knauf proceeds		237.6		-
Payable to WAVE for advance receipt of Knauf proceeds		22.4		-
Other		11.6		11.2
Total accounts payable and accrued expenses	$	383.3	$	108.4