XML 81 R64.htm IDEA: XBRL DOCUMENT

Effective Income Tax Rate (Detail)	3 Months Ended
Effective Income Tax Rate (Detail)	Mar. 31, 2013	Apr. 01, 2012
Income Taxes [Line Items]
Effective income tax rate	21.70%	1.40%

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

+ References+ Details