Interest Coverage Ratio

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- Definition

Total Leverage Ratio

+ References

No definition available.

+ Details

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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.

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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

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

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

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- Definition

Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- 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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- 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

The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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Credit Facilities - Narrative (Details)				9 Months Ended
Credit Facilities - Narrative (Details)	Nov. 15, 2016 USD ($)	Mar. 04, 2015 USD ($)	May 02, 2013 USD ($)	Oct. 30, 2016 USD ($)	Oct. 25, 2015 USD ($)
Borrowings under line of credit		$ 35,000,000		$ 0	$ 35,000,000
Minimum [Member]
Interest coverage ratio				3.50
Maximum [Member]
Total leverage ratio				3.00
Prior Credit Agreement [Member]
Facilities, maximum borrowing capacity			$ 400,000,000
Facilities, term			5 years
Prior Credit Agreement [Member] \| Base Rate [Member]
Description of variable rate basis			the highest of (a) the prime rate (as published by The Wall Street Journal), (b) ½ of 1% above the federal funds effective rate or (c) one-month LIBOR (determined with respect to deposits in U.S. Dollars) plus 1%.
Prior Credit Agreement [Member] \| Base Rate [Member] \| Minimum [Member]
Basis spread on variable rate			0.25%
Prior Credit Agreement [Member] \| Base Rate [Member] \| Maximum [Member]
Basis spread on variable rate			1.25%
Prior Credit Agreement [Member] \| LIBOR [Member]
Basis spread on variable rate			1.00%
Prior Credit Agreement [Member] \| LIBOR [Member] \| Minimum [Member]
Basis spread on variable rate			1.25%
Prior Credit Agreement [Member] \| LIBOR [Member] \| Maximum [Member]
Basis spread on variable rate			2.25%
Prior Credit Agreement [Member] \| Federal Funds [Member]
Basis spread on variable rate			1.00%
Prior Credit Agreement [Member] \| CDOR [Member]
Description of variable rate basis			the sum of: (a) the rate determined by Administrative Agent with reference to the arithmetic average of the discount rate quotations of all institutions listed for CAD Dollar-denominated bankers’ acceptances displayed and identified on the “Reuters Screen CDOR Page” and (b) 0.10% per annum
Basis spread on variable rate			0.10%
Prior Credit Agreement [Member] \| CDOR [Member] \| Minimum [Member]
Basis spread on variable rate			1.25%
Prior Credit Agreement [Member] \| CDOR [Member] \| Maximum [Member]
Basis spread on variable rate			2.25%
Prior Credit Agreement Term Loans [Member]
Facilities, maximum borrowing capacity			$ 150,000,000
Facilities, amount outstanding				$ 67,800,000
Facilities, Interest rate at period end				2.28%
Facilities, maturity date				May 01, 2018
Prior Credit Agreement Revolving Line of Credit [Member]
Facilities, maximum borrowing capacity			$ 250,000,000
Facilities, amount outstanding				$ 181,000,000
Facilities, Interest rate at period end				2.28%
Prior Credit Agreement Revolving Line of Credit [Member] \| Minimum [Member]
Facilities, unused capacity, commitment fee percentage			0.20%
Prior Credit Agreement Revolving Line of Credit [Member] \| Maximum [Member]
Facilities, unused capacity, commitment fee percentage			0.45%
Prior Credit Agreement Letter of Credit [Member]
Facilities, maximum borrowing capacity			$ 40,000,000
Facilities, amount outstanding				$ 0
Prior Credit Agreement Swingline Loans [Member]
Facilities, maximum borrowing capacity			$ 25,000,000
Facilities, amount outstanding				0
Alternative Currencies, Except Canadian [Member]
Description of variable rate basis			a rate per annum equal to LIBOR (determined with respect to deposits in the applicable Alternative Currency) 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.
Prior Credit Agreement Alternative Currencies Line of Credit [Member]
Facilities, maximum borrowing capacity			$ 40,000,000
Facilities, amount outstanding				$ 0
United States of America, Dollars \| Prior Credit Agreement [Member]
Description of variable rate basis			(1) the Base Rate 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.
Canada, Dollars \| Prior Credit Agreement [Member]
Description of variable rate basis			a rate per annum equal to the CDOR Rate 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.
Subsequent Event [Member] \| New Credit Agreement Term Loans [Member]
Facilities, maximum borrowing capacity	$ 150,000,000
Facilities, amount outstanding	150,000,000
Subsequent Event [Member] \| New Credit Agreement Revolving Line of Credit [Member]
Facilities, maximum borrowing capacity	250,000,000
Facilities, amount outstanding	$ 97,000,000
Facilities, unused capacity, commitment fee percentage	0.40%
Subsequent Event [Member] \| New Credit Agreement Revolving Line of Credit [Member] \| Minimum [Member]
Facilities, unused capacity, commitment fee percentage	0.20%
Subsequent Event [Member] \| New Credit Agreement Revolving Line of Credit [Member] \| Maximum [Member]
Facilities, unused capacity, commitment fee percentage	0.45%
Subsequent Event [Member] \| New Credit Agreement [Member]
Facilities, maximum borrowing capacity	$ 400,000,000
Facilities, amount outstanding	$ 247,000,000
Facilities, maturity date	Nov. 12, 2021
Subsequent Event [Member] \| New Credit Agreement [Member] \| Maximum [Member]
Total leverage ratio	3.00
Subsequent Event [Member] \| New Credit Agreement [Member] \| Base Rate [Member]
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%.
Basis spread on variable rate	2.00%
Subsequent Event [Member] \| New Credit Agreement [Member] \| Base Rate [Member] \| Minimum [Member]
Basis spread on variable rate	0.25%
Subsequent Event [Member] \| New Credit Agreement [Member] \| Base Rate [Member] \| Maximum [Member]
Basis spread on variable rate	1.25%
Subsequent Event [Member] \| New Credit Agreement [Member] \| LIBOR [Member]
Basis spread on variable rate	1.00%
Subsequent Event [Member] \| New Credit Agreement [Member] \| LIBOR [Member] \| Minimum [Member]
Basis spread on variable rate	1.25%
Subsequent Event [Member] \| New Credit Agreement [Member] \| LIBOR [Member] \| Maximum [Member]
Basis spread on variable rate	2.25%
Subsequent Event [Member] \| New Credit Agreement [Member] \| Federal Funds [Member]
Basis spread on variable rate	1.00%
Subsequent Event [Member] \| United States of America, Dollars \| New Credit Agreement [Member]
Description of variable rate basis	(1) the New 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 (such margin, the “New Applicable Margin”).