Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 01, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Stockholders' Equity Attributable to Parent	$ 709,404	$ 560,236
Deferred Revenue, Noncurrent	24,652	25,336
Current assets
Cash and cash equivalents	331,448	305,970
Accounts receivable, net of allowance for doubtful accounts of $1,460 and $1,698 at July 1, 2017 and December 31, 2016, respectively.	104,159	101,667
Inventories	88,458	72,542
Other current assets	41,929	27,048
Total current assets	565,994	507,227
Deferred Costs, Noncurrent	93,936	79,948
Property and equipment, net	137,723	135,996
Intangible assets, net	28,099	29,376
Goodwill	20,388	19,780
Deferred tax assets	39,012	38,975
Other non-current assets	10,516	9,223
Total assets	895,668	820,525
Current liabilities
Accounts payable	38,270	34,334
Accrued compensation	31,871	43,180
Accrued and other current liabilities	36,677	104,654
Deferred revenue	38,526	38,198
Total current liabilities	145,344	220,366
Deferred Credits and Other Liabilities	16,268	14,587
Total liabilities	186,264	260,289
Commitments and contingencies
Masimo Corporation stockholders’ equity:
Preferred stock, $0.001 par value; 5,000 shares authorized; 0 shares issued and outstanding at July 1, 2017 and December 31, 2016	0	0
Common stock, $0.001 par value; 100,000 shares authorized; 51,940 and 50,188 shares issued and outstanding at July 1, 2017 and December 31, 2016, respectively	52	50
Treasury stock, 14,255 shares at July 1, 2017 and December 31, 2016	(404,276)	(404,276)
Additional paid-in capital	436,549	382,263
Accumulated other comprehensive loss	(4,161)	(7,027)
Retained earnings	681,240	589,226
Total liabilities and equity	$ 895,668	$ 820,525

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.