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Summary of Significant Accounting Policies - Computation of Basic and Diluted Net Income Per Share (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 28, 2013
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Sep. 28, 2013
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Jun. 29, 2013
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Mar. 30, 2013
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Dec. 29, 2012
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Sep. 29, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 28, 2013
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Dec. 29, 2012
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Dec. 31, 2011
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| Net income attributable to stockholders of Masimo Corporation: | |||||||||||
| Net income including noncontrolling interest | $ 55,721 | $ 61,938 | $ 64,053 | ||||||||
| Net (income) loss attributable to the noncontrolling interest | 2,660 | 334 | (353) | ||||||||
| Basic net income per share attributable to Masimo Corporation stockholders: | |||||||||||
| Net income attributable to Masimo Corporation stockholders | $ 9,313 | $ 15,602 | $ 17,038 | $ 16,428 | $ 15,007 | $ 13,794 | $ 17,697 | $ 15,774 | $ 58,381 | $ 62,272 | $ 63,700 |
| Weighted average shares outstanding | 56,690 | 57,445 | 59,659 | ||||||||
| Basic net income per share attributable to Masimo Corporation stockholders | $ 0.16 | $ 0.28 | $ 0.30 | $ 0.29 | $ 0.26 | $ 0.24 | $ 0.31 | $ 0.27 | $ 1.03 | $ 1.08 | $ 1.07 |
| Diluted net income per share attributable to Masimo Corporation stockholders: | |||||||||||
| Weighted average shares outstanding | 56,690 | 57,445 | 59,659 | ||||||||
| Diluted share equivalent: stock options | 790 | 929 | 1,186 | ||||||||
| Weighted average shares outstanding - diluted | 57,480 | 58,374 | 60,845 | ||||||||
| Diluted net income per share attributable to Masimo Corporation stockholders | $ 0.16 | $ 0.27 | $ 0.30 | $ 0.28 | $ 0.26 | $ 0.24 | $ 0.30 | $ 0.27 | $ 1.02 | $ 1.07 | $ 1.05 |