XML 50 R52.htm IDEA: XBRL DOCUMENT v2.4.1.9
Investments and Fair Value Measurements-Debt Instrument FV (Details 8) (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2014
Dec. 29, 2013
Related costs and the fair values based on quoted market prices    
Convertible debt, carrying value $ 2,069,341us-gaap_ConvertibleDebt $ 1,985,363us-gaap_ConvertibleDebt
Convertible Debt [Member]    
Related costs and the fair values based on quoted market prices    
Convertible debt, carrying value 2,069,341us-gaap_ConvertibleDebt
/ us-gaap_DebtInstrumentAxis
= us-gaap_ConvertibleDebtMember		 1,985,363us-gaap_ConvertibleDebt
/ us-gaap_DebtInstrumentAxis
= us-gaap_ConvertibleDebtMember
Convertible debt, fair value 3,738,221us-gaap_ConvertibleDebtFairValueDisclosures
/ us-gaap_DebtInstrumentAxis
= us-gaap_ConvertibleDebtMember		 2,947,450us-gaap_ConvertibleDebtFairValueDisclosures
/ us-gaap_DebtInstrumentAxis
= us-gaap_ConvertibleDebtMember
1.5% Sr. Convertible Notes due 2017 [Member]    
Related costs and the fair values based on quoted market prices    
Convertible debt, carrying value 869,645us-gaap_ConvertibleDebt
/ us-gaap_DebtInstrumentAxis
= sndk_ConvertibleSeniorNotesDueTwoThousandSeventeenMember		 829,792us-gaap_ConvertibleDebt
/ us-gaap_DebtInstrumentAxis
= sndk_ConvertibleSeniorNotesDueTwoThousandSeventeenMember
Convertible debt, fair value 1,948,721us-gaap_ConvertibleDebtFairValueDisclosures
/ us-gaap_DebtInstrumentAxis
= sndk_ConvertibleSeniorNotesDueTwoThousandSeventeenMember		 1,467,160us-gaap_ConvertibleDebtFairValueDisclosures
/ us-gaap_DebtInstrumentAxis
= sndk_ConvertibleSeniorNotesDueTwoThousandSeventeenMember
0.5% Sr. Convertible Notes due 2020 [Member]    
Related costs and the fair values based on quoted market prices    
Convertible debt, carrying value 1,199,696us-gaap_ConvertibleDebt
/ us-gaap_DebtInstrumentAxis
= sndk_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember		 1,155,571us-gaap_ConvertibleDebt
/ us-gaap_DebtInstrumentAxis
= sndk_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember
Convertible debt, fair value $ 1,789,500us-gaap_ConvertibleDebtFairValueDisclosures
/ us-gaap_DebtInstrumentAxis
= sndk_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember		 $ 1,480,290us-gaap_ConvertibleDebtFairValueDisclosures
/ us-gaap_DebtInstrumentAxis
= sndk_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember