XML 44 R25.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Cash and Investments (Tables) | 12 Months Ended
--- | ---
Dec. 28, 2018
Investments, Debt and Equity Securities [Abstract] |
Reconciliation of Cash, Cash Equivalents, and Restricted Cash | A reconciliation of Cash, cash equivalents, and restricted cash reported within our Consolidated Balance Sheets to the amount reported within the accompanying Consolidated Statements of Cash Flows was as follows (in thousands):
| December 31, 2018 |  | December 31, 2017 |  | December 31, 2016
Cash and cash equivalents | $ | 314,775 |  |  | $ | 183,164 |  |  | $ | 151,686 |
Restricted cash included in short-term restricted cash and investments | — |  |  | 504 |  |  | — |
Restricted cash included in long-term restricted cash and investments | 1,100 |  |  | 4,646 |  |  | 4,150 |
Cash, cash equivalents, and restricted cash as reported within the accompanying Consolidated Statements of Cash Flows | $ | 315,875 |  |  | $ | 188,314 |  |  | $ | 155,836 |
Reconciliation of Cash, Cash Equivalents, and Restricted Cash | A reconciliation of Cash, cash equivalents, and restricted cash reported within our Consolidated Balance Sheets to the amount reported within the accompanying Consolidated Statements of Cash Flows was as follows (in thousands):
| December 31, 2018 |  | December 31, 2017 |  | December 31, 2016
Cash and cash equivalents | $ | 314,775 |  |  | $ | 183,164 |  |  | $ | 151,686 |
Restricted cash included in short-term restricted cash and investments | — |  |  | 504 |  |  | — |
Restricted cash included in long-term restricted cash and investments | 1,100 |  |  | 4,646 |  |  | 4,150 |
Cash, cash equivalents, and restricted cash as reported within the accompanying Consolidated Statements of Cash Flows | $ | 315,875 |  |  | $ | 188,314 |  |  | $ | 155,836 |
Investments by Security Type | Cash and investments by security type were as follows (in thousands):
| December 31, 2018
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Investments available-for-sale: |  |  |  |  |  |  |
Money market funds | $ | 47,744 |  |  | $ | — |  |  | $ | — |  |  | $ | 47,744 |
Commercial paper | 381,134 |  |  | — |  |  | (1 | ) |  | 381,133 |
Corporate bonds | 344,741 |  |  | 180 |  |  | (857 | ) |  | 344,064 |
U.S. Treasury and government sponsored enterprises | 55,224 |  |  | 2 |  |  | (25 | ) |  | 55,201 |
Total investments available-for-sale | 828,843 |  |  | 182 |  |  | (883 | ) |  | 828,142 |
Cash and restricted cash | 6,883 |  |  | — |  |  | — |  |  | 6,883 |
Certificates of deposit | 16,596 |  |  | — |  |  | — |  |  | 16,596 |
Total cash and investments | $ | 852,322 |  |  | $ | 182 |  |  | $ | (883 | ) |  | $ | 851,621 |
| December 31, 2017
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Investments available-for-sale: |  |  |  |  |  |  |
Money market funds | $ | 45,478 |  |  | $ | — |  |  | $ | — |  |  | $ | 45,478 |
Commercial paper | 199,647 |  |  | — |  |  | — |  |  | 199,647 |
Corporate bonds | 179,336 |  |  | 18 |  |  | (332 | ) |  | 179,022 |
U.S. Treasury and government sponsored enterprises | 16,295 |  |  | — |  |  | (32 | ) |  | 16,263 |
Total investments available-for-sale | 440,756 |  |  | 18 |  |  | (364 | ) |  | 440,410 |
Cash and restricted cash | 3,268 |  |  | — |  |  | — |  |  | 3,268 |
Certificates of deposit | 13,498 |  |  | — |  |  | — |  |  | 13,498 |
Total cash and investments | $ | 457,522 |  |  | $ | 18 |  |  | $ | (364 | ) |  | $ | 457,176 |
Fair Value and Gross Unrealized Losses of Investments Available-for-Sale in an Unrealized Loss Position | The fair value of gross unrealized losses on investments available-for-sale in an unrealized loss position were as follows (in thousands):
| December 31, 2018
| In an Unrealized Loss Position Less than 12 Months |  | In an Unrealized Loss Position 12 Months or Greater |  | Total
| Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
Corporate bonds | $ | 236,162 |  |  | $ | (606 | ) |  | $ | 39,627 |  |  | $ | (251 | ) |  | $ | 275,789 |  |  | $ | (857 | )
U.S. Treasury and government sponsored enterprises | 28,105 |  |  | (16 | ) |  | 9,182 |  |  | (9 | ) |  | 37,287 |  |  | (25 | )
Commercial paper | 7,091 |  |  | (1 | ) |  | — |  |  | — |  |  | 7,091 |  |  | (1 | )
Total | $ | 271,358 |  |  | $ | (623 | ) |  | $ | 48,809 |  |  | $ | (260 | ) |  | $ | 320,167 |  |  | $ | (883 | )
| December 31, 2017
| In an Unrealized Loss Position Less than 12 Months |  | In an Unrealized Loss Position 12 Months or Greater |  | Total
| Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
Corporate bonds | $ | 140,746 |  |  | $ | (296 | ) |  | $ | 20,047 |  |  | $ | (36 | ) |  | $ | 160,793 |  |  | $ | (332 | )
U.S. Treasury and government sponsored enterprises | 13,611 |  |  | (23 | ) |  | 2,651 |  |  | (9 | ) |  | 16,262 |  |  | (32 | )
Total | $ | 154,357 |  |  | $ | (319 | ) |  | $ | 22,698 |  |  | $ | (45 | ) |  | $ | 177,055 |  |  | $ | (364 | )
Fair Value of Cash Equivalents and Investments by Contractual Maturity | The fair value of investments available-for-sale by contractual maturity were as follows (in thousands):
| December 31,
| 2018 |  | 2017
Maturing in one year or less | $ | 674,455 |  |  | $ | 377,155 |
Maturing after one year through five years | 153,687 |  |  | 63,255 |
Total investments available-for-sale | $ | 828,142 |  |  | $ | 440,410 |

X
- Definition Tabular disclosure of fair value amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
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
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of unrealized gains and losses on investments. + References No definition available. + Details
Name: | us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration