Stock-Based Compensation Plans (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended					3 Months Ended		0 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Mar. 30, 2014 Performance Shares [Member]	Mar. 31, 2013 Performance Shares [Member]	Apr. 01, 2012 Performance Shares [Member] installment	Mar. 30, 2014 Restricted Stock [Member]	Mar. 30, 2014 Director [Member]	Apr. 23, 2014 Subsequent Event [Member]	Apr. 23, 2014 Subsequent Event [Member] Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option compensation expense	$ 2.7	$ 1.8
Vesting period over which employee stock option grants are evenly expensed	3 years						1 year
Expected stock option compensation expense	$ 15.4
Period of historical stock price corresponded to the expected term of the option	7 years 3 months
Period used for the exchange traded option included the longest dated options	3 months
Shares granted								557,258	36,000
Exercise price								$ 94.24
Grant date fair value of stock options granted	$ 36.25
Number of annual installments					3
Performance shares issued			19,742	23,519
Removal of restrictions from stock of restricted stock performance period	40,257
Forfeited shares related to restricted stock performance period	3,397
Grants in period						36,734
Weighted average fair value						$ 87.98