Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2015	Mar. 30, 2014	Dec. 28, 2014
Income Tax [Line Items]
Tax rate	33.90%	36.60%
Effective income tax rate with noncontrolling interest	40.50%	42.30%
Uncertain tax positions	$ 2.9	$ 2.9	$ 2.9
Uncertain tax positions that would affect tax rate	$ 2.9	$ 2.9	$ 2.9
Time period that uncertain tax positions not expected to materially change	12 months
Earliest Tax Year [Member] | Internal Revenue Service (IRS) [Member]
Income Tax [Line Items]
Tax year open for examination	2011
Earliest Tax Year [Member] | State Tax Legislation [Member]
Income Tax [Line Items]
Tax year open for examination	1997