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Contingencies (Tables)
 3 Months Ended
Mar. 31, 2015
Commitments and Contingencies Disclosure [Abstract]  
Summary of Cumulative Trauma Product Liability Claims Activity
A summary of cumulative trauma product liability lawsuit activity follows:
 
 
Three Months Ended March 31, 2015
 
Year Ended December 31, 2014
Open lawsuits, beginning of period
 
2,326

 
2,840

New lawsuits
 
87

 
542

Settled and dismissed lawsuits
 
(176
)
 
(1,056
)
Open lawsuits, end of period
 
2,237

 
2,326
Summary of Insurance Receivable Balances and Activity Related to Cumulative Trauma Product Liability Losses
A summary of insurance receivable balances and activity related to cumulative trauma product liability losses follows:
(In millions)
 
Three Months Ended March 31, 2015
 
Year Ended December 31, 2014
Balance beginning of period
 
$
220.5

 
$
124.8

Additions
 
1.6

 
98.2

Collections and settlements
 
—

 
(2.5
)
Balance end of period
 
222.1

 
220.5