Debt Instrument, Periodic Payment, Principal, Period

No definition available.

Name:	holx_DebtInstrumentPeriodicPaymentPrincipalPeriod
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Balance Type:	na
Period Type:	duration

- Definition

Direct Third Party Costs interest Expense

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Maximum Range of Present Value of Cash Flow Percentage

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Offering Price of Principal Amount

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Represents the aggregate outstanding principal of amounts borrowed under the Credit Agreement.

+ References

No definition available.

+ Details

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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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Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- 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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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Period Type:	duration

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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+ Details

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Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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Balance Type:	credit
Period Type:	duration

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Borrowings and Credit Arrangements - Additional Information (Detail) - USD ($)	3 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Sep. 28, 2019	Jan. 19, 2018	Oct. 10, 2017
Debt Instrument [Line Items]
Long-term debt	$ 3,071,600,000		$ 3,055,000,000.0
Debt extinguishment losses	0	$ 800,000
Payment of debt issuance costs	0	2,700,000
Senior notes				$ 1,000,000,000.0	$ 350,000,000
Borrowed principal	1,000,000,000.0
Long-term Debt, Current Maturities	$ 302,200,000		271,400,000
Amended Revolver [Member] \| Percentage Added to Eurodollar Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
Amended Term Loan \| Percentage Added to Eurodollar Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
Amended Credit Agreement
Debt Instrument [Line Items]
Debt extinguishment losses		$ (800,000)
Maximum range of present value of cash flow percentage		10.00%
Direct third party costs interest expense		$ 800,000
Payment of debt issuance costs		$ 1,900,000
Credit Agreement
Debt Instrument [Line Items]
Borrowed principal	$ 1,500,000,000
2025 Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.375%
Accounts Receivable Securitization
Debt Instrument [Line Items]
Borrowed principal	$ 250,000,000.0
Accounts Receivable Securitization
Debt Instrument [Line Items]
Long-term Debt, Current Maturities	$ 250,000,000.0		$ 234,000,000.0
Amended Term Loan \| Amended Credit Agreement
Debt Instrument [Line Items]
Periodic principal payment period	3 months
Senior Notes \| 2025 Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.375%
Offering price of principal amount				$ 1	$ 1
Senior Notes \| 2028 Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.625%			4.625%
Offering price of principal amount				$ 1
2025 Senior Notes
Debt Instrument [Line Items]
Borrowed principal				600,000,000
Senior notes, face amount	$ 950,000,000
2028 Senior Notes
Debt Instrument [Line Items]
Borrowed principal				$ 400,000,000
Senior notes, face amount	$ 400,000,000