Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Current deferred tax assets:
Deferred tax assets, foreign tax credits, current	$ 29.0		$ 0
Employee related	25.7		28.0
Deferred tax assets, research and development credits, current	13.4		0
Inventory	8.4		14.5
Warranties	5.3		4.5
Customer claims	3.6		2.2
Other	13.1		11.5
Total current deferred tax assets	98.5		60.7
Current deferred tax liabilities:
Unremitted Foreign Earnings, Current	(1.1)		0
Other	(2.6)		(3.7)
Total current deferred tax liabilities	3.7		3.7
Non-current deferred tax assets:
Deferred tax assets, foreign tax credits, noncurrent	117.0		158.2
Other comprehensive income	113.7		116.7
Research and development capitalization	89.1		76.7
Net operating loss and capital loss carryforwards	44.3	[1]	35.1	[1]
Pension and other postretirement benefits	37.7		33.9
Employee related	27.4		22.9
Research and development credits	4.9		3.0
Warranties	4.5		4.7
Litigation and environmental	1.2		2.0
Other	3.1		5.1
Total non-current deferred tax assets	442.9		458.3
Non-current deferred tax liabilities:
Goodwill & intangibles	(130.9)		(155.5)
Fixed assets	(101.9)		(79.7)
Undremitted Foreign Earnings, Non-current	(12.3)		(1.3)
Other comprehensive income	(3.0)		(2.9)
Other	(6.6)		(6.6)
Total non-current deferred tax liabilities	254.7		246.0
Total deferred tax items	283.0		269.3
Valuation allowances	(35.0)	[1]	(23.6)	[1]
Net deferred tax asset	$ 248.0		$ 245.7

[1] Net operating loss and capital loss carryforwards are shown gross with the corresponding valuation allowances located at the end of the table