Business and Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2019

Prior Period Adjustment [Abstract]

Schedule of Prior Year Adjustment on Condensed Consolidated Financial Statements

Balance Sheets

	December 31, 2018
	As Reported		As Adjusted
Assets of discontinued operations	$	279.5	$	244.3
Total current assets		752.8		717.6
Total assets		1,873.5		1,838.3
Retained earnings		865.0		829.8
Total shareholders' equity		261.2		226.0
Total liabilities and shareholders' equity		1,873.5		1,838.3

Shareholders’ Equity

	Retained Earnings				Total Shareholders' Equity
	As Reported		As Adjusted		As Reported		As Adjusted
December 31, 2017	$	633.4	$	598.2	$	419.3	$	384.1
March 31, 2018		715.5		680.3		403.8		368.6
June 30, 2018		762.8		727.6		404.1		368.9
December 31, 2018		865.0		829.8		261.2		226.0
March 31, 2019		895.1		859.9		280.3		245.1

Balance Sheets of Discontinued Operations

	December 31, 2018
	As Reported		As Adjusted
Property, plant, and equipment, less accumulated depreciation and amortization	$	103.8	$	68.6
Total non-current assets of discontinued operations		143.5		108.3
Total assets of discontinued operations		279.5		244.3

Accounts payable and accrued expenses

	December 31, 2018
	As Reported		As Adjusted
Advance receipt of Knauf proceeds	$	237.6	$	202.4
Contingent liability payable to Knauf for adjustments to cash consideration		-		35.2