Fair Value Measurements - Narrative (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 25, 2015	Jan. 01, 2016	Dec. 26, 2014	Dec. 27, 2013	Jun. 26, 2015	Jun. 27, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring charges credits		$ 0.3	$ 9.0	$ 15.0
Asset impairment charges		3.1	2.2	22.1
Fair value		2.9	3.3
Guatemala
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value		1.8			$ 2.8
United Kingdom
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value		1.1
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value		0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Guatemala
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value		0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | United Kingdom
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value		0.0
Significant Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value		0.0	0.0
Significant Observable Inputs (Level 2) | Guatemala
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value		0.0
Significant Observable Inputs (Level 2) | United Kingdom
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value		0.0
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value		2.9	3.3
Significant Unobservable Inputs (Level 3) | Guatemala
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value		1.8
Significant Unobservable Inputs (Level 3) | United Kingdom
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value		1.1	1.1
Banana | Guatemala
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring charges credits		0.0
Asset impairment charges	$ 1.0
Banana | Germany
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring charges credits			0.0	1.9
Asset impairment charges			0.5	0.7
Fair value			0.2
Banana | United Kingdom
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring charges credits			1.7	0.0
Asset impairment charges			0.0	(2.5)
Fair value			3.1
Banana | Quoted Prices in Active Markets for Identical Assets (Level 1) | Germany
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value			0.0
Banana | Quoted Prices in Active Markets for Identical Assets (Level 1) | United Kingdom
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value			0.0
Banana | Significant Observable Inputs (Level 2) | Germany
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value			0.0
Banana | Significant Observable Inputs (Level 2) | United Kingdom
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value			0.0
Banana | Significant Unobservable Inputs (Level 3) | Germany
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value			0.2
Banana | Significant Unobservable Inputs (Level 3) | United Kingdom
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value			3.1
Contract Termination | Banana | United Kingdom
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring charges credits		0.4		0.2
Asset impairment charges		$ 0.0		$ 0.0
Leased Facilities | Banana | United Kingdom
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value			$ 1.9			$ 1.2