SPECIAL CHARGES (GAINS), NET (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended	12 Months Ended
	Dec. 31, 2013	Jun. 30, 2011	Jun. 30, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Special Charges (Gains), Net [Abstract]
Special charges				$ 22.2	$ 46.3	$ (5.6)
Intangible write-offs	2.9			2.9	33.4
Legal and professional fees		1.3	1.8
Minimum [Member]
Special Charges (Gains), Net [Abstract]
Effect on future cash flows				7
Effect on future cost structure				9
Maximum [Member]
Special Charges (Gains), Net [Abstract]
Effect on future cash flows				9
Effect on future cost structure				11
Technology Products [Member]
Special Charges (Gains), Net [Abstract]
Special charges				22.4
Write off of fixed assets related to closing of underperforming retail stores				2.0
Start up costs of European shared service center				1.8
Recruitment costs				0.5
Restructuring reserve adjustment				1.0
Legal and professional fees				0.6
Balance beginning of period				4.3
Charged to expense				14.4
Paid or otherwise settled				(6.6)
Balance end of period	12.1			12.1
Technology Products [Member] | Lease Termination [Member]
Special Charges (Gains), Net [Abstract]
Special charges				5.5
Technology Products [Member] | Employee Severance and Other Restructuring [Member]
Special Charges (Gains), Net [Abstract]
Charged to expense				5.9
Technology Products [Member] | Severance and Personnel Costs [Member]
Special Charges (Gains), Net [Abstract]
Special charges				2.2
Balance beginning of period				4.3
Charged to expense				7.6
Paid or otherwise settled				(4.9)
Balance end of period	7.0			7.0
Technology Products [Member] | Other Exit Costs [Member]
Special Charges (Gains), Net [Abstract]
Balance beginning of period				0
Charged to expense				6.8
Paid or otherwise settled				(1.7)
Balance end of period	5.1			5.1
Technology Products [Member] | CompUSA Brand in Puerto Rico [Member]
Special Charges (Gains), Net [Abstract]
Intangible write-offs				2.9
Industrial Products [Member] | Lease Termination [Member]
Special Charges (Gains), Net [Abstract]
Charged to expense				(0.3)
Industrial Products [Member] | Severance and Personnel Costs [Member]
Special Charges (Gains), Net [Abstract]
Charged to expense				$ 0.1