Consolidated Statements Of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Statement of Comprehensive Income [Abstract]
Net Income	$ 45.0	$ 50.7
Other Comprehensive Income (Loss):
Foreign Currency Translation Adjustments	(4.8)	(5.7)
Change in fair value of hedging activities, net of tax effects of $(5.3) million and $2.4 million for the three months ended March 29, 2014 and March 30, 2013, respectively	(8.5)	3.9
Reclassification of losses included in net income, net of tax effects of $1.5 million and $0.8 million for the three months ended March 29, 2014 and March 30, 2013, respectively	2.4	1.2
Reclassification adjustments for pension benefits included in net income, net of tax effects of $0.2 million and $0.3 million for the three months ended March 29, 2014 and March 30, 2013, respectively	0.3	0.8
Other Comprehensive Income (Loss)	(10.6)	0.2
Comprehensive Income	34.4	50.9
Less: Comprehensive Income Attributable to Noncontrolling Interests	0.6	0.8
Comprehensive Income Attributable to Regal Beloit Corporation	$ 33.8	$ 50.1