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Redomestication (Summary of Components of Authorized Shares) (Parenthetical) (Detail)
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12 Months Ended | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 28, 2013
USD ($)
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Dec. 28, 2013
CHF
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Dec. 29, 2012
USD ($)
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Dec. 29, 2012
CHF
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Dec. 31, 2011
USD ($)
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Dec. 31, 2011
CHF
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Dec. 28, 2013
Formation Shares
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Dec. 29, 2012
Formation Shares
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Dec. 31, 2011
Formation Shares
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Dec. 28, 2013
Conditional Shares
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| Class of Stock [Line Items] | ||||||||||||||||||
| Shares, par value | $ 10 | 10 | $ 10 | 10 | $ 9.0744 | 10 | ||||||||||||
| Treasury shares, shares | 12,927,316 | [1] | 12,927,316 | [1] | 12,485,564 | [1] | 12,485,564 | [1] | 13,414,801 | [1] | 13,414,801 | [1] | 10,000,000 | 10,000,000 | 10,000,000 | |||
| Share repurchase program, shares repurchased and retired | 104,038,709 | |||||||||||||||||
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