Reconciliation of Effective Tax Rate (Detail)	12 Months Ended
Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Income Tax Disclosure [Abstract]
U.S. statutory tax rate	35.00%	35.00%	35.00%
Increase (decrease) in taxes resulting from:
Asset impairments	1.20%	0.00%	5.20%
State/other income taxes net of federal income tax	3.60%	2.70%	2.20%
Statutory rate differential and permanent differences in earnings in foreign jurisdictions	(2.00%)	(5.70%)	(5.60%)
Audit resolutions	(0.10%)	(7.90%)	(4.60%)
Loss on sale of subsidiary	(19.00%)	0.00%	0.00%
Lapse of state statutes of limitations net of federal income tax	(0.50%)	(2.60%)	(1.80%)
Domestic manufacturing deduction	(1.70%)	(2.10%)	(1.70%)
Other, net	1.00%	3.20%	2.80%
Effective tax rate	17.50%	22.60%	31.50%

Effective Income Tax Rate Reconciliation, Lapse of State Statutes of Limitations

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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