Settlement of Candela/Syneron Litigation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2012	Dec. 31, 2011
Settlement Of Candela Syneron Litigation [Abstract]
Number of non-exclusive patent license agreement				2
Litigation settlement payment	$ 31	$ 31		$ 31
Percentage of royalty on undisclosed amount of cumulative sales tranche one (in hundredths)			5.00%	5.00%
Percentage of royalty on undisclosed amount of cumulative sales tranche two (in hundredths)			6.50%	6.50%
Percentage of royalty on all cumulative sales thereafter (in hundredths)			7.50%	7.50%
Payment to Massachusetts General Hospital related to Settlement				5
Percentage of royalty payments payable to Massachusetts General Hospital (in hundredths)				40.00%
Royalty revenue from settlement		29.8		29.8
Cost of royalty revenue from settlement		11.1		11.1
Reduction to general and administrative expenses		6.6		6.6
Imputed interest income		0.7		0.7
Remaining Legal Expense Reimbursement				$ 0.8