Fronting Fee Percentage For Each Letter Of Credit Issued

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- Definition

Minimum Percentage Of Lenders As Represented By Revolving Commitments And Outstanding Term Loans

+ References

No definition available.

+ Details

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- Definition

Percentage of Long-term Debt, Maturing in Year Five

+ References

No definition available.

+ Details

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- Definition

Percentage of Long-term Debt, Maturing in Years One and Two

+ References

No definition available.

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- Definition

Percentage of Long-term Debt, Maturing in Years Three and Four

+ 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

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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.

+ Details

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- Definition

Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

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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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- Definition

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

+ References

+ 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

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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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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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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Subsequent Events (Details)			9 Months Ended
Subsequent Events (Details)	Nov. 15, 2016 USD ($)	May 02, 2013 USD ($)	Oct. 30, 2016
Prior Credit Agreement [Member]
Subsequent Event [Line Items]
Facilities, maximum borrowing capacity		$ 400,000,000
New Credit Agreement [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Facilities, maximum borrowing capacity	$ 400,000,000
Facilities, maturity date	Nov. 12, 2021
Facilities, amount outstanding	$ 247,000,000
Minimum percentage of lenders as represented by revolving commitments and outstanding term loans	50.00%
New Credit Agreement Term Loans [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Facilities, maximum borrowing capacity	$ 150,000,000
Facilities, amount outstanding	$ 150,000,000
Debt, payment terms	The outstanding principal balance of the term loans will be subject to repayment in quarterly installments beginning on the last day of Semtech’s fiscal quarter ending closest to January 31, 2017 in an amount equal to $3,750,000 per quarter for the first two years after the Closing Date, $4,697,500 per quarter in the third and fourth years following the Closing Date, and $5,625,000 per quarter in the fifth year following the Closing Date, with the balance being due at maturity on November 12, 2021.
Percentage of long-term debt subject to repayment in years one and two	10.00%
Percentage of long-term debt subject to repayment in years three and four	12.50%
Percentage of long-term debt subject to repayment in year five	15.00%
New Credit Agreement Revolving Line of Credit [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Facilities, maximum borrowing capacity	$ 250,000,000
Facilities, amount outstanding	$ 97,000,000
Facilities, unused capacity, commitment fee percentage	0.40%
New Credit Agreement Letter of Credit [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Facilities, maximum borrowing capacity	$ 40,000,000
Facilities, amount outstanding
Fronting fee percentage for each letter of credit issued	0.125%
New Credit Agreement Swingline Loans [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Facilities, maximum borrowing capacity	$ 25,000,000
Facilities, amount outstanding
Facilities, balance undrawn	153,000,000
New Credit Agreement Foreign Line of Credit [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Facilities, maximum borrowing capacity	40,000,000
Facilities, amount outstanding
New Credit Agreement Additional Term Loan or Increase in Revolver [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Facilities, maximum borrowing capacity	$ 150,000,000.0
Federal Funds [Member] \| Prior Credit Agreement [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		1.00%
Federal Funds [Member] \| New Credit Agreement [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate	1.00%
Base Rate [Member] \| Prior Credit Agreement [Member]
Subsequent Event [Line Items]
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%.
Base Rate [Member] \| New Credit Agreement [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
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%
LIBOR [Member] \| Prior Credit Agreement [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		1.00%
LIBOR [Member] \| New Credit Agreement [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate	1.00%
Minimum [Member] \| New Credit Agreement [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Maximum leverage ratio following a material acquisition	3.25
Minimum [Member] \| New Credit Agreement Revolving Line of Credit [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Facilities, unused capacity, commitment fee percentage	0.20%
Minimum [Member] \| Base Rate [Member] \| Prior Credit Agreement [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		0.25%
Minimum [Member] \| Base Rate [Member] \| New Credit Agreement [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate	0.25%
Minimum [Member] \| LIBOR [Member] \| Prior Credit Agreement [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		1.25%
Minimum [Member] \| LIBOR [Member] \| New Credit Agreement [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate	1.25%
Maximum [Member]
Subsequent Event [Line Items]
Total leverage ratio			3.00
Maximum [Member] \| New Credit Agreement [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Total leverage ratio	3.00
Maximum leverage ratio following a material acquisition	3.50
Maximum [Member] \| New Credit Agreement Revolving Line of Credit [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Facilities, unused capacity, commitment fee percentage	0.45%
Maximum [Member] \| Base Rate [Member] \| Prior Credit Agreement [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		1.25%
Maximum [Member] \| Base Rate [Member] \| New Credit Agreement [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate	1.25%
Maximum [Member] \| LIBOR [Member] \| Prior Credit Agreement [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		2.25%
Maximum [Member] \| LIBOR [Member] \| New Credit Agreement [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate	2.25%
United States of America, Dollars \| Prior Credit Agreement [Member]
Subsequent Event [Line Items]
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.
United States of America, Dollars \| New Credit Agreement [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
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”).