Fair Value Measurements - Fair Value Assets and Liabilities Measured on Recurring Basis (Detail) (USD $) In Millions, unless otherwise specified	Jun. 28, 2014
Assets:
Assets measured at fair value on a recurring basis	$ 38.3
Liabilities:
Liabilities measured at fair value on a recurring basis	39.1
Equity Security [Member]
Assets:
Assets measured at fair value on a recurring basis	20.0
Mutual Funds [Member]
Assets:
Assets measured at fair value on a recurring basis	18.3
Deferred Compensation Liabilities [Member]
Liabilities:
Liabilities measured at fair value on a recurring basis	36.0
Contingent Consideration [Member]
Liabilities:
Liabilities measured at fair value on a recurring basis	3.1
Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Assets:
Assets measured at fair value on a recurring basis	38.3
Liabilities:
Liabilities measured at fair value on a recurring basis	36.0
Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Equity Security [Member]
Assets:
Assets measured at fair value on a recurring basis	20.0
Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Mutual Funds [Member]
Assets:
Assets measured at fair value on a recurring basis	18.3
Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Deferred Compensation Liabilities [Member]
Liabilities:
Liabilities measured at fair value on a recurring basis	36.0
Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Contingent Consideration [Member]
Liabilities:
Liabilities measured at fair value on a recurring basis	0
Significant Other Observable Inputs (Level 2) [Member]
Assets:
Assets measured at fair value on a recurring basis	0
Liabilities:
Liabilities measured at fair value on a recurring basis	0
Significant Other Observable Inputs (Level 2) [Member] | Equity Security [Member]
Assets:
Assets measured at fair value on a recurring basis	0
Significant Other Observable Inputs (Level 2) [Member] | Mutual Funds [Member]
Assets:
Assets measured at fair value on a recurring basis	0
Significant Other Observable Inputs (Level 2) [Member] | Deferred Compensation Liabilities [Member]
Liabilities:
Liabilities measured at fair value on a recurring basis	0
Significant Other Observable Inputs (Level 2) [Member] | Contingent Consideration [Member]
Liabilities:
Liabilities measured at fair value on a recurring basis	0
Significant Unobservable Inputs (Level 3) [Member]
Assets:
Assets measured at fair value on a recurring basis	0
Liabilities:
Liabilities measured at fair value on a recurring basis	3.1
Significant Unobservable Inputs (Level 3) [Member] | Equity Security [Member]
Assets:
Assets measured at fair value on a recurring basis	0
Significant Unobservable Inputs (Level 3) [Member] | Mutual Funds [Member]
Assets:
Assets measured at fair value on a recurring basis	0
Significant Unobservable Inputs (Level 3) [Member] | Deferred Compensation Liabilities [Member]
Liabilities:
Liabilities measured at fair value on a recurring basis	0
Significant Unobservable Inputs (Level 3) [Member] | Contingent Consideration [Member]
Liabilities:
Liabilities measured at fair value on a recurring basis	$ 3.1