Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	Mar. 30, 2012
Marketable equity securities [Member]
Assets measured at fair value on recurring basis
Marketable equity securities	$ 6.3
Money Market Funds [Member]
Assets measured at fair value on recurring basis
Money market fund	31.0
Stock Fund [Member]
Assets measured at fair value on recurring basis
Stock fund	43.5
Equity Securities [Member]
Assets measured at fair value on recurring basis
Equity security	18.5
Deferred Compensation Plan [Member]
Liabilities measured at fair value on recurring basis
Deferred compensation plans	92.1
Foreign currency forward contracts [Member]
Assets measured at fair value on recurring basis
Foreign currency forward contracts, assets	2.1
Liabilities measured at fair value on recurring basis
Foreign currency forward contract, liabilities	1.0
Fair Value, Inputs, Level 1 [Member] | Marketable equity securities [Member]
Assets measured at fair value on recurring basis
Marketable equity securities	6.3
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Assets measured at fair value on recurring basis
Money market fund	31.0
Fair Value, Inputs, Level 1 [Member] | Stock Fund [Member]
Assets measured at fair value on recurring basis
Stock fund	43.5
Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member]
Assets measured at fair value on recurring basis
Equity security	18.5
Fair Value, Inputs, Level 1 [Member] | Deferred Compensation Plan [Member]
Liabilities measured at fair value on recurring basis
Deferred compensation plans	92.1
Fair Value, Inputs, Level 1 [Member] | Foreign currency forward contracts [Member]
Assets measured at fair value on recurring basis
Foreign currency forward contracts, assets	0
Liabilities measured at fair value on recurring basis
Foreign currency forward contract, liabilities	0
Fair Value, Inputs, Level 2 [Member] | Marketable equity securities [Member]
Assets measured at fair value on recurring basis
Marketable equity securities	0
Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member]
Assets measured at fair value on recurring basis
Money market fund	0
Fair Value, Inputs, Level 2 [Member] | Stock Fund [Member]
Assets measured at fair value on recurring basis
Stock fund	0
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member]
Assets measured at fair value on recurring basis
Equity security	0
Fair Value, Inputs, Level 2 [Member] | Deferred Compensation Plan [Member]
Liabilities measured at fair value on recurring basis
Deferred compensation plans	0
Fair Value, Inputs, Level 2 [Member] | Foreign currency forward contracts [Member]
Assets measured at fair value on recurring basis
Foreign currency forward contracts, assets	2.1
Liabilities measured at fair value on recurring basis
Foreign currency forward contract, liabilities	1.0
Fair Value, Inputs, Level 3 [Member] | Marketable equity securities [Member]
Assets measured at fair value on recurring basis
Marketable equity securities	0
Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member]
Assets measured at fair value on recurring basis
Money market fund	0
Fair Value, Inputs, Level 3 [Member] | Stock Fund [Member]
Assets measured at fair value on recurring basis
Stock fund	0
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member]
Assets measured at fair value on recurring basis
Equity security	0
Fair Value, Inputs, Level 3 [Member] | Deferred Compensation Plan [Member]
Liabilities measured at fair value on recurring basis
Deferred compensation plans	0
Fair Value, Inputs, Level 3 [Member] | Foreign currency forward contracts [Member]
Assets measured at fair value on recurring basis
Foreign currency forward contracts, assets	0
Liabilities measured at fair value on recurring basis
Foreign currency forward contract, liabilities	$ 0