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Reconciliation of Basic to Diluted Weighted Average Common Shares Outstanding (Detail) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Schedule Of Earnings Per Share Basic And Diluted By Common Class [Line Items]
Basic	41,262	41,014
Dilutive effect of share based awards	471	393
Dilutive effect of 3.875% Convertible Notes and warrants	4,016	1,640
Diluted	45,749	43,047

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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