The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Shares issuable for little or no cash consideration upon the satisfaction of certain conditions (contingently issuable shares) are considered outstanding common shares and included in the computation of basic Earnings Per Share as of the date that all necessary conditions have been satisfied (in essence, when issuance of the shares is no longer contingent). Outstanding common shares that are contingently returnable (that is, subject to recall) are treated in the same manner as contingently issuable shares. Contingently issuable shares include shares that (a) will be issued in the future upon the satisfaction of specified conditions, (b) have been placed in escrow and all or part must be returned if specified conditions are not met, or (c) have been issued but the holder must return all or part if specified conditions are not met. The number of contingently issuable shares is determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that period.

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Earnings (Loss) Per Share (Detail) (USD $)	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
Earnings (Loss) Per Share (Detail) (USD $)	Jun. 18, 2011	Jun. 18, 2011	Jun. 16, 2012 Restricted Stock Units (RSUs) [Member]	Jun. 16, 2012 Restricted Stock Units (RSUs) [Member]	Jun. 16, 2012 LTIP [Member]	Jun. 16, 2012 LTIP [Member]	Jun. 16, 2012 Senior Subordinated Convertible Debt [Member]
Conversion of Stock, Shares Issued							9.6224
Initial Shares							9.3120
Debt Conversion, Converted Instrument, Amount (in Dollars)							$ 1,000
Debt Instrument, Convertible, Conversion Price (in Dollars per share)							$ 48.44
Weighted Average Number of Shares, Contingently Issuable	298,000	298,000	238,000	244,000	60,000	54,000