Debt Instrument, Basis Spread on Variable Rate, Initial

No definition available.

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- Definition

Fronting Fee Percentage For Each Letter Of Credit Issued

+ References

No definition available.

+ Details

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- Definition

Interest Coverage Ratio

+ References

No definition available.

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- Definition

Line of Credit Facility, Unused Capacity, Commitment Fee Percentage, Initial

+ References

No definition available.

+ Details

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- Definition

Minimum Lenders Represented As Percentage of Revolving Commitments And Outstanding Term Loans That May Demand Repayment In Event Of Default

+ References

No definition available.

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- Definition

Total Leverage Ratio

+ References

No definition available.

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- Definition

Total Leverage Ratio Following A Material Acquisition

+ References

No definition available.

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- 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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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

+ Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions 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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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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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Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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- 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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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Credit Facilities - Narrative (Details) - USD ($)		1 Months Ended	12 Months Ended
Credit Facilities - Narrative (Details) - USD ($)	Nov. 15, 2016	Mar. 31, 2015	Jan. 29, 2017	Jan. 31, 2016	Jan. 25, 2015
Facilities, maximum borrowing capacity	$ 400,000,000
Maturity date of term loans and revolving commitments			Nov. 12, 2021
Facilities, amount outstanding	$ 247,000,000
Borrowings under line of credit		$ 35,000,000	$ 97,000,000	$ 0	$ 0
Minimum lenders represented as percentage of revolving commitments and outstanding term loans that may demand repayment in event of default	50.00%
Minimum
Interest coverage ratio	3.00
Total leverage ratio following a material acquisition	3.25
Maximum
Total leverage ratio	3.00
Total leverage ratio following a material acquisition	3.50
Term Loans
Facilities, maximum borrowing capacity	$ 150,000,000
Facilities, amount outstanding	150,000,000
Facilities, interest rate at period end			2.65%
Revolving Commitments
Facilities, maximum borrowing capacity	250,000,000
Facilities, amount outstanding	97,000,000		$ 97,000,000
Facilities, debt discount	$ 153,000,000
Initial commitment fee, percentage	0.40%
Facilities, interest rate at period end			2.65%
Revolving Commitments \| Minimum
Commitment fee, percentage	0.20%
Revolving Commitments \| Maximum
Commitment fee, percentage	0.45%
Additional Term Loan Facilities or Revolving Commitments [Member]
Facilities, maximum borrowing capacity	$ 150,000,000
Letter of Credit [Member]
Facilities, maximum borrowing capacity	$ 40,000,000
Facilities, amount outstanding			$ 0
Fronting fee for each letter of credit issued, percentage	0.125%
Swingline Loans [Member]
Facilities, maximum borrowing capacity	$ 25,000,000
Facilities, amount outstanding			0
Foreign Line of Credit [Member]
Facilities, maximum borrowing capacity	$ 40,000,000
Revolving Loans and Non US Dollars LC [Member]
Facilities, amount outstanding			$ 0
United States of America, Dollars
Description of variable rate basis	(1) the Base Rate (as defined below) plus a margin ranging from 0.25% to 1.25% depending upon Semtech’s consolidated leverage ratio or (2) LIBOR (determined with respect to deposits in U.S. Dollars) for an interest period to be selected by Semtech plus a margin ranging from 1.25% to 2.25% depending upon Semtech’s consolidated leverage ratio.
Base Rate
Description of variable rate basis	the highest of (a) the prime rate of the administrative agent, (b) ½ of 1% above the federal funds effective rate published by the Federal Reserve Bank of New York and (c) one-month LIBOR (determined with respect to deposits in U.S. Dollars) plus 1.00%.
Initial interest margin	2.00%
Base Rate \| Minimum
Basis spread on variable rate	0.25%
Base Rate \| Maximum
Basis spread on variable rate	1.25%
Federal Funds
Basis spread on variable rate	1.00%
LIBOR
Basis spread on variable rate	1.00%
Initial interest margin	1.00%
LIBOR \| Minimum
Basis spread on variable rate	1.25%
LIBOR \| Maximum
Basis spread on variable rate	2.25%