New Accounting Standards (Tables)

9 Months Ended

Sep. 30, 2018

Accounting Changes And Error Corrections [Abstract]

Summary of Impact of Adoption of New Accounting Standards

Balance Sheet (Dollars in millions)	Balance at December 31, 2017		Adjustments due to ASC 606			Balance at January 1, 2018
Assets
Inventories, net1)	$	859.1	$	(17.3	)	$	841.8
Other current assets1)		228.9		22.0			250.9
Equity
Retained Earnings1)		4,079.2		3.3			4,082.5
1) Impact at adoption which included both continuing and discontinued operations.

	Three months period ended September 30, 2018									Nine months period ended September 30, 2018
Income Statement (Dollars in millions)	As Reported			Balances without adoption of ASC 606			Effect of Changes			As Reported			Balances without adoption of ASC 606			Effect of Changes
Net sales	$	2,033.0		$	2,032.4		$	0.6		$	6,485.4		$	6,481.2		$	4.2
Cost of sales		(1,646.9	)		(1,646.5	)		(0.4	)		(5,199.3	)		(5,195.7	)		(3.6	)
Operating income		192.5			192.5			0.0			665.0			664.3			0.7

	As of September 30, 2018
Balance Sheet (Dollars in millions)	As Reported		Balances without adoption of ASC 606		Effect of Changes
Assets
Inventories, net	$	758.7	$	774.1	$	(15.4	)
Other current assets		271.2		251.9		19.3
Equity
Retained Earnings		2,189.7		2,187.0		2.7