Debt - Schedule of Effective Interest Rate on LIBOR and Prime Loans Based on Average Aggregate Availability (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013
Over $150 [Member]
Debt Instrument [Line Items]
Average Aggregate Availability	$ 150
$75 - 150 [Member] | Minimum [Member]
Debt Instrument [Line Items]
Average Aggregate Availability	75
$75 - 150 [Member] | Maximum [Member]
Debt Instrument [Line Items]
Average Aggregate Availability	150
Under $75 [Member]
Debt Instrument [Line Items]
Average Aggregate Availability	$ 75
ABR Spread [Member] | Over $150 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.25%
ABR Spread [Member] | $75 - 150 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.50%
ABR Spread [Member] | Under $75 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.75%
Canadian Prime Spread [Member] | Over $150 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.25%
Canadian Prime Spread [Member] | $75 - 150 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.50%
Canadian Prime Spread [Member] | Under $75 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.75%
Eurodollar Spread [Member] | Over $150 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.75%
Eurodollar Spread [Member] | $75 - 150 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
Eurodollar Spread [Member] | Under $75 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.25%
CDOR Spread [Member] | Over $150 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.75%
CDOR Spread [Member] | $75 - 150 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
CDOR Spread [Member] | Under $75 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.25%
Overnight LIBOR [Member] | Over $150 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.75%
Overnight LIBOR [Member] | $75 - 150 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
Overnight LIBOR [Member] | Under $75 [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.25%