XML 28 R37.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Investments And Restricted Investments (Amortized Cost And Fair Value Of Available-For-Sale Securities) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Feb. 01, 2014 | Feb. 02, 2013 | Jan. 28, 2012
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized cost | $ 19,227 | $ 10,099 |
Unrealized gains | 602 | 915 |
Unrealized losses | (4) | (14) |
Fair value | 19,825 | 11,000 |
Short-term | 12,266 | 2,362 |
Long-term | 7,559 | 8,638 |
Increase Decrease in available for sale securities | (300) | (76) | (226)
Investments [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized cost | 15,389 | 4,991 |
Unrealized gains | 331 | 484 |
Unrealized losses | (4) | (14) |
Fair value | 15,716 | 5,461 |
Short-term | 12,006 | 1,087 |
Long-term | 3,710 | 4,374 |
Investments [Member] | Corporate Securities [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized cost | 3,298 | 4,715 |
Unrealized gains | 325 | 468 |
Unrealized losses | (4) | (14) |
Fair value | 3,619 | 5,169 |
Short-term | 0 | 1,013 |
Long-term | 3,619 | 4,156 |
Investments [Member] | U.S. Government And Agency Securities [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized cost | 12,005 |  |
Unrealized gains | 1 |  |
Unrealized losses | 0 |  |
Fair value | 12,006 |  |
Short-term | 12,006 |  |
Long-term | 0 |  |
Investments [Member] | Mortgage-Backed Securities [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized cost | 86 | 276 |
Unrealized gains | 5 | 16 |
Unrealized losses | 0 | 0 |
Fair value | 91 | 292 |
Short-term | 0 | 74 |
Long-term | 91 | 218 |
Restricted Investments [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized cost | 3,838 | 5,108 |
Unrealized gains | 271 | 431 |
Unrealized losses | 0 | 0 |
Fair value | 4,109 | 5,539 |
Short-term | 260 | 1,275 |
Long-term | 3,849 | 4,264 |
Restricted Investments [Member] | Corporate Securities [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized cost | 110 | 1,360 |
Unrealized gains | 5 | 34 |
Unrealized losses | 0 | 0 |
Fair value | 115 | 1,394 |
Short-term | 115 | 1,275 |
Long-term | 0 | 119 |
Restricted Investments [Member] | U.S. Government And Agency Securities [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized cost | 3,728 | 3,748 |
Unrealized gains | 266 | 397 |
Unrealized losses | 0 | 0 |
Fair value | 3,994 | 4,145 |
Short-term | 145 | 0 |
Long-term | $ 3,849 | $ 4,145 |

X
- Definition The net change during the reporting period in the aggregate market value of equity or debt securities that are purchased and held principally for the purpose of selling them in the near future and benefiting from increases in prices. + References No definition available. + Details
Name: | rost_IncreaseDecreaseInAvailableForSaleSecurities
Namespace Prefix: | rost_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of available-for-sale debt securities at cost, net of adjustments, which include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. + 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 210.5-02.2) -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 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of debt securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -Subparagraph (b)-(g) -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investments in debt securities classified as available-for-sale, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total of debt securities categorized neither as held-to-maturity nor trading which are intended be sold or mature more than one year from the balance sheet date or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration