Benefit Plans - Schedule of Fair Values of Company's Pension Plan Assets (Detail) (USD $) In Millions, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets	$ 49.6	$ 33.2	$ 27.5
Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets	46.7	32.8
Level 1 [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets	1.3	0.1
Level 1 [Member] | International Mutual Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets	21.1	12.6
Level 1 [Member] | Index Mutual Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets	6.8	5.6
Level 1 [Member] | U.S. Mutual Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets	1.1	0.9
Level 1 [Member] | Property [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets	0.1
Level 1 [Member] | Balanced [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets	0.4	0.4
Level 1 [Member] | Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets	0.3	0.3
Level 1 [Member] | Mutual Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets	15.6	12.9
Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets	2.9	0.4
Level 2 [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets		0.2
Level 2 [Member] | Insurance Contract [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets	2.9	0.2
Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets
Level 3 [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets
Level 3 [Member] | International Mutual Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets
Level 3 [Member] | Index Mutual Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets
Level 3 [Member] | U.S. Mutual Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets
Level 3 [Member] | Property [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets
Level 3 [Member] | Balanced [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets
Level 3 [Member] | Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets
Level 3 [Member] | Mutual Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets
Level 3 [Member] | Insurance Contract [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets