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Commitments and Contingencies - Letters of Credit and Bank Guarantees (Details) (Performance Obligations and Customer Deposit Guarantees, USD $) In Thousands, unless otherwise specified | Jan. 03, 2015
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Performance Obligations and Customer Deposit Guarantees |
Line of Credit Facility [Line Items] |
Outstanding letters of credit and bank guarantees | $ 9,861 us-gaap_LettersOfCreditOutstandingAmount / us-gaap_CreditFacilityAxis = us-gaap_LetterOfCreditMember

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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