XML 42 R30.htm IDEA: XBRL DOCUMENT v2.4.1.9

Cash, Cash Equivalents and Investments (Tables)

12 Months Ended

Jan. 03, 2015

Cash, Cash Equivalents and Investments

Schedule of cash, cash equivalents, and investments

The Company's cash, cash equivalents and investments consisted of the following (in thousands):

		January 3, 2015
		Cost			Gross Unrealized Losses			Gross Unrealized Gains			Fair Value
Cash and Cash Equivalents:
Cash on hand		$	52,144		$	—		$	—		$	52,144
Available-for-sale securities:
Money market funds			71,415			—			—			71,415
Certificates of deposit			7,739			—			—			7,739
Commercial paper			5,348			—			—			5,348
Municipal bonds			1,756			—			1			1,757
U.S. government agency			1,202			—			—			1,202
Corporate bonds			1,101			—			—			1,101
U.S. government bonds			1,000			—			—			1,000
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Total available-for-sale securities			89,561			—			1			89,562
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Total cash and cash equivalents		$	141,705		$	—		$	1		$	141,706
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Short-term Investments:
Available-for-sale securities:
Municipal bonds		$	129,005		$	(25	)	$	172		$	129,152
Corporate bonds			33,043			(35	)		25			33,033
Variable-rate demand notes			12,915			—			—			12,915
Commercial paper			8,995			—			—			8,995
Asset-backed securities			5,380			(3	)		—			5,377
International government bonds			2,526			(10	)		—			2,516
U.S. government bonds			650			—			—			650
U.S. government agency			601			—			—			601
Certificates of deposit			250			—			—			250
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Total short-term investments		$	193,365		$	(73	)	$	197		$	193,489
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Long-term Investments:
Available-for-sale securities:
Auction rate securities		$	8,000		$	(581	)	$	—		$	7,419
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Total long-term investments		$	8,000		$	(581	)	$	—		$	7,419
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​

December 28, 2013

Cost

Gross Unrealized Losses

Gross Unrealized Gains

Fair Value

Cash and Cash Equivalents:

Cash on hand

$

45,544

$

—

$

—

$

45,544

Available-for-sale securities:

Money market funds

39,538

—

—

39,538

Certificates of deposit

7,768

—

—

7,768

Commercial paper

2,499

—

—

2,499

Municipal bonds

451

—

—

451

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Total available-for-sale securities

50,256

—

—

50,256

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Total cash and cash equivalents

$

95,800

$

—

$

—

$

95,800

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Short-term Investments:

Available-for-sale securities:

Municipal bonds

$

119,289

$

(11

)

$

182

$

119,460

Variable-rate demand notes

38,025

—

—

38,025

Corporate bonds

17,788

(4

)

60

17,844

Commercial paper

3,748

—

—

3,748

Asset-backed securities

515

—

1

516

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Total short-term investments

$

179,365

$

(15

)

$

243

$

179,593

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Long-term Investments:

Available-for-sale securities:

Auction rate securities

$

12,425

$

(1,793

)

$

—

$

10,632

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Total long-term investments

$

12,425

$

(1,793

)

$

—

$

10,632

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Schedule of available-for-sale investments in continuous unrealized loss position by length of time

The available-for-sale investments that were in a continuous unrealized loss position, aggregated by length of time that individual securities have been in a continuous loss position, were as follows (in thousands):

		Less Than 12 Months						12 Months or Greater						Total
As of January 3, 2015		Fair Value			Gross Unrealized Losses			Fair Value			Gross Unrealized Losses			Fair Value			Gross Unrealized Losses
Municipal bonds		$	23,735		$	(25	)	$	—		$	—		$	23,735		$	(25	)
Corporate bonds			20,327			(35	)		—			—			20,327			(35	)
Auction rate securities			—			—			7,419			(581	)		7,419			(581	)
Asset-backed securities			5,080			(3	)		—			—			5,080			(3	)
International government bond			2,516			(10	)		—			—			2,516			(10	)
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
		$	51,658		$	(73	)	$	7,419		$	(581	)	$	59,077		$	(654	)
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​

Less Than 12 Months

12 Months or Greater

Total

As of December 28, 2013

Fair Value

Gross Unrealized Losses

Fair Value

Gross Unrealized Losses

Fair Value

Gross Unrealized Losses

Municipal bonds

$

11,079

$

(11

)

$

—

$

—

$

11,079

$

(11

)

Auction rate securities

—

—

10,632

(1,793

)

10,632

(1,793

)

Corporate bonds

2,605

(4

)

—

—

2,605

(4

)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

$

13,684

$

(15

)

$

10,632

$

(1,793

)

$

24,316

$

(1,808

)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Summarization of contractual underlying maturities of available-for-sale investments

The following summarizes the contractual underlying maturities of the Company's available-for-sale investments at January 3, 2015 (in thousands):

		Cost			Fair Value
Due in one year or less		$	208,047		$	208,166
Due after one year through ten years			62,464			62,470
Due after ten years			20,415			19,834
​	​	​	​	​	​	​	​
		$	290,926		$	290,470
​	​	​	​	​	​	​	​

X

- Definition

Schedule containing disclosure of cost, gross unrealized losses, gross unrealized gains and fair value of cash, cash equivalents, short term investments and long term investments as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	slab_ScheduleOfCashCashEquivalentsShortTermAndLongTermInvestmentsTableTextBlock
Namespace Prefix:	slab_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_InvestmentsAndCashAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

+ References

No definition available.

+ Details

Name:	us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563

+ Details

Name:	us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration