Intangible Assets by Major Asset Class (Detail) (USD $) In Millions, unless otherwise specified			12 Months Ended					12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Minimum	Dec. 31, 2013 Maximum	Dec. 31, 2012 Trade Name	Dec. 31, 2013 Customer contracts and relationships	Dec. 31, 2012 Customer contracts and relationships	Dec. 31, 2013 Customer contracts and relationships Minimum	Dec. 31, 2013 Customer contracts and relationships Maximum	Dec. 31, 2013 Acquired technologies	Dec. 31, 2012 Acquired technologies	Dec. 31, 2013 Acquired technologies Minimum	Dec. 31, 2013 Acquired technologies Maximum	Dec. 31, 2013 Replacement parts annuity and product approvals	Dec. 31, 2012 Replacement parts annuity and product approvals	Dec. 31, 2013 Replacement parts annuity and product approvals Minimum	Dec. 31, 2013 Replacement parts annuity and product approvals Maximum	Dec. 31, 2013 Technical qualifications, plans and drawings	Dec. 31, 2012 Technical qualifications, plans and drawings	Dec. 31, 2013 Technical qualifications, plans and drawings Minimum	Dec. 31, 2013 Technical qualifications, plans and drawings Maximum	Dec. 31, 2013 Trademarks and patents	Dec. 31, 2012 Trademarks and patents	Dec. 31, 2013 Trademarks and patents Minimum	Dec. 31, 2013 Trademarks and patents Maximum	Dec. 31, 2013 Covenants not to compete	Dec. 31, 2012 Covenants not to compete	Dec. 31, 2013 Covenants not to compete Minimum	Dec. 31, 2013 Covenants not to compete Maximum	Dec. 31, 2013 Trade names	Dec. 31, 2012 Trade names	Dec. 31, 2013 Trade names Maximum
Goodwill and Intangible Assets Disclosure [Line Items]
Intangible assets, original cost	$ 652.0	$ 667.7
Finite lived intangible assets, original cost						424.0	410.8			126.6	127.7			7.9	28.3			19.3	26.9			23.0	27.1			5.5	3.3			45.7	43.6
Accumulated Amortization	179.8	183.2				85.7	64.0			54.4	50.6			6.0	25.7			16.2	22.7			15.4	19.4			1.7	0.8			0.4
Intangible assets, net book value	472.2	484.5
Finite lived intangible assets, net book value						338.3	346.8			72.2	77.1			1.9	2.6			3.1	4.2			7.6	7.7			3.8	2.5			45.3	43.6
Indefinite lived intangible assets, net book value	$ 21.5	$ 43.6			$ 43.6
Useful life (years)			3 years	34 years				8 years	30 years			5 years	34 years			7 years	22 years			10 years	22 years			3 years	20 years			4 years	5 years			15 years