Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
	Jan. 04, 2016	Mar. 31, 2016
Business Acquisition Equity Interests Issued Or Issuable [Line Items]
Number of shares authorized to be repurchased		8,200,000
Purchase of treasury stock		$ 91.4
Treasury Stock, Shares, Acquired		2,700,000
Treasury Stock Acquired, Average Cost Per Share		$ 33.98
Common stock reissued		2,200,000
Eaton Partners [Member]
Business Acquisition Equity Interests Issued Or Issuable [Line Items]
Stock Issued During Period Shares Acquisitions	300,000