|
Commitments and Contingencies - Additional Information (Detail) (USD $)
|
12 Months Ended | 33 Months Ended | 62 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 3 Months Ended | 12 Months Ended | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 28, 2013
distributor
Agreement
|
Dec. 29, 2012
distributor
|
Dec. 31, 2011
|
Dec. 28, 2013
Agreement
|
Mar. 14, 2011
|
Jan. 31, 2014
participant
|
Dec. 28, 2013
Legal Settlement Covidien
|
Dec. 29, 2012
Legal Settlement Covidien
|
Dec. 31, 2011
Legal Settlement Covidien
|
Dec. 28, 2013
Automobiles
|
Dec. 28, 2013
Pulse oximetry products
|
Dec. 29, 2012
Pulse oximetry products
|
Dec. 31, 2011
Pulse oximetry products
|
Feb. 03, 2009
Masimo vs. Nellcor
patent
|
Jan. 17, 2012
Masimo vs. Philips
construction
|
Oct. 04, 2010
Masimo vs. Philips
construction
|
Jul. 09, 2009
Masimo vs. Philips
patent
|
Aug. 21, 2013
Masimo vs. Mindray DS USA, Inc. and Shenzhen Mindray Bio-Medical Electronics
claim
|
Dec. 28, 2013
Masimo vs. Physicians Healthsource, Inc. [Member]
|
Jan. 16, 2014
Subsequent Event
|
Jan. 16, 2014
Subsequent Event
Masimo vs Former Physician Office Sales Representatives
|
Dec. 28, 2013
Subsequent Event
Masimo vs Former Physician Office Sales Representatives
|
Dec. 28, 2013
Just in time distributor one
|
Dec. 28, 2013
Just in time distributor two
|
|
| Contingencies And Commitments [Line Items] | ||||||||||||||||||||||||
| Operating lease expiration date | Jun. 01, 2015 | |||||||||||||||||||||||
| Leasehold improvement incentives received | $ 700,000 | $ 700,000 | ||||||||||||||||||||||
| Accrued rent expense | 700,000 | 800,000 | 700,000 | |||||||||||||||||||||
| Rental expense related to operating leases | 5,100,000 | 4,600,000 | 3,800,000 | |||||||||||||||||||||
| Interest included in future minimum capital lease payments | 31,000 | 31,000 | ||||||||||||||||||||||
| Employee contribution percentage limit for full consideration under Employee Retirement Savings Plan | 3.00% | |||||||||||||||||||||||
| Company's contribution to employee retirement savings plan | 1,500,000 | 1,400,000 | 1,200,000 | |||||||||||||||||||||
| Initial term of agreement | 3 years | |||||||||||||||||||||||
| Severance plan participation agreements | 6 | 6 | ||||||||||||||||||||||
| Required notice of resignation | 6 months | |||||||||||||||||||||||
| Total amount of purchase commitments expected to be purchased within one year | 61,400,000 | 61,400,000 | ||||||||||||||||||||||
| Bank balances | 67,700,000 | 67,700,000 | ||||||||||||||||||||||
| Bank balance covered by Federal Deposit Insurance Corporation limit | 2,500,000 | 2,500,000 | ||||||||||||||||||||||
| U.S. Treasury bills | 26,000,000 | 32,000,000 | 26,000,000 | |||||||||||||||||||||
| Money market funds | 1,800,000 | 1,600,000 | 1,800,000 | |||||||||||||||||||||
| Sale of company's products to customers | 287,900,000 | 253,700,000 | 223,800,000 | |||||||||||||||||||||
| Number of just-in-time distributors | 2 | 1 | ||||||||||||||||||||||
| Percentage of accounts receivable balance from two just-in-time distributor | 8.00% | 9.00% | ||||||||||||||||||||||
| Percentage of accounts receivable balance from one just-in-time distributor | 5.00% | |||||||||||||||||||||||
| Royalty | 29,816,000 | 28,305,000 | 32,501,000 | 29,800,000 | 28,300,000 | 32,500,000 | ||||||||||||||||||
| Royalty rate Percentage | 7.75% | 13.00% | ||||||||||||||||||||||
| Number of patents found infringed upon | 2 | |||||||||||||||||||||||
| Number of patents allegedly infringed | 1 | |||||||||||||||||||||||
| Number of patents allegedly infringed, patent court limitation on plaintiff | 3 | |||||||||||||||||||||||
| Number of patents allegedly infringed, patent court limitation on defendant | 4 | |||||||||||||||||||||||
| Loss Contingency, New Claims Filed, Number | 2 | |||||||||||||||||||||||
| Litigation settlement amount | 5,400,000 | 5,400,000 | ||||||||||||||||||||||
| Litigation award and defense costs | 8,010,000 | 0 | 0 | 2,600,000 | ||||||||||||||||||||
| Damages sought per violation | $ 500 | |||||||||||||||||||||||
| Number of Participants in the Surfactant, Positive Pressure, and Oxygenation Randomized Trial | 2 | |||||||||||||||||||||||