Line of Credit Facility, Accordion Feature, Increase Limit

No definition available.

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Namespace Prefix:	masi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Maximum Sublimit

+ References

No definition available.

+ Details

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Namespace Prefix:	masi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Credit Facility (Details) - USD ($)		3 Months Ended
Credit Facility (Details) - USD ($)	Apr. 11, 2022	Apr. 02, 2022	Apr. 03, 2021	Jan. 01, 2022	Dec. 17, 2018
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount		$ 1,900,000		$ 1,700,000
New Credit Facility Agreement \| Subsequent Event
Debt Instrument [Line Items]
Line of Credit Facility, Accordion Feature, Increase Limit	$ 400,000,000
New Credit Facility Agreement \| Subsequent Event \| Adjusted Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.00%
New Credit Facility Agreement \| Subsequent Event \| Fed Funds Effective Rate Overnight Index Swap Rate
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.50%
New Credit Facility Agreement \| Subsequent Event \| Adjusted Secured Overnight Financing Rate (SOFR), One-Month Interest Period
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.10%
New Credit Facility Agreement \| Subsequent Event \| Adjusted Secured Overnight Financing Rate (SOFR), Three-Month Interest Period
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.15%
New Credit Facility Agreement \| Subsequent Event \| Adjusted Secured Overnight Financing Rate (SOFR), Six-Month Interest Period
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.25%
New Credit Facility Agreement \| Subsequent Event \| Minimum
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.15%
New Credit Facility Agreement \| Subsequent Event \| Minimum \| Alternate Base Rate
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.00%
New Credit Facility Agreement \| Subsequent Event \| Minimum \| Adjusted Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.00%
New Credit Facility Agreement \| Subsequent Event \| Maximum
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.275%
New Credit Facility Agreement \| Subsequent Event \| Maximum \| Alternate Base Rate
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.75%
New Credit Facility Agreement \| Subsequent Event \| Maximum \| Adjusted Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Revolving Credit Facility
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Sublimit					$ 25,000,000
Foreign Line of Credit
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Sublimit					75,000,000
Revolving Credit Facility
Debt Instrument [Line Items]
Current Borrowing Capacity					150,000,000
Line of Credit Facility, Maximum Borrowing Capacity					$ 550,000,000
Long-term Line of Credit, Noncurrent		0		$ 0
Interest Expense, Debt		$ 100,000	$ 100,000
Revolving Credit Facility \| New Credit Facility Agreement \| Subsequent Event
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 500,000,000
Unsecured Term Loan \| New Credit Facility Agreement \| Subsequent Event
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	300,000,000
Letter of Credit \| New Credit Facility Agreement \| Subsequent Event
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 50,000,000