Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended	66 Months Ended
	Jun. 30, 2013 Patents	Jun. 30, 2013 Patents	Jun. 30, 2013 Patents	Mar. 01, 2013	Jun. 10, 2011
Loss Contingencies [Line Items]
Certain claims selling, general and administrative, net	$ 47.0	$ 47.0	$ 450.2
Self-insured retention amount		20.00%
Receivables in other assets	218.0	218.0	218.0
Period for payment of majority of claims		5 years
Compensatory damages awarded		27.6
Percentage of fault apportioned to plaintiffs		30.00%
Percentage of fault apportioned to company		34.00%
Percentage of fault apportioned to unrelated third party		36.00%
Verdict in full and entered judgment					20.3
Compensatory Damages Vacated				27.6
Monetary damages for lost profits		70.0
Number of patents infringed	3	3	3
Estimated charges	70.0	70.0	70.0
Durom Cup Related Claims [Member]
Loss Contingencies [Line Items]
Estimated liability outstanding	400.8	400.8	400.8
Estimated liability classified as short-term	50.0	50.0	50.0
Estimated liability classified as long-term	350.8	350.8	350.8
Royalty Arrangement [Member]
Loss Contingencies [Line Items]
Royalty arrangements incurred in excess of previously accrued	$ 21.7