Performance-Contingent Restricted Stock Activity (Detail) - Performance Contingent Restricted Stock shares in Thousands	9 Months Ended
	Oct. 10, 2015 $ / shares shares
Number of Shares
Number of Shares, Balance at beginning of period | shares	1,404
Number of Shares, Initial grant | shares	829
Number of Shares, Vested | shares	(853)
Number of Shares, Forfeitures | shares	(83)
Number of shares, Balance at end of period | shares	1,349
Weighted Average Fair Value
Weighted Average Fair Value, Balance at beginning of period	$ 19.09
Weighted Average Fair Value, Initial grant	20.18
Weighted Average Fair Value, Vested	16.22
Weighted Average Fair Value, Forfeitures	19.61
Weighted Average Fair Value, Balance at end of period	$ 21.26
Performance Contingent Return On Invested Capital Shares
Number of Shares
Number of Shares, Supplemental grant for exceeding ROIC modifier | shares	100
Weighted Average Fair Value
Weighted Average Fair Value, Supplemental grant for exceeding ROIC modifier	$ 15.51
Performance Contingent Total Shareholders Return Shares
Number of Shares
Number of Shares, Grant reduction for not achieving the TSR modifier | shares	(48)
Weighted Average Fair Value
Weighted Average Fair Value, Grant reduction for not achieving the TSR modifier	$ 17.22