OTHER FINANCIAL DATA (Detail) - Schedule of Other Financial Data Relating to Other Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	May 31, 2012	May 31, 2011
Unredeemed credits issued in conjuction with the Company’s school-based book club and book fair operations (included in other accrued expenses)	$ 9.2	$ 9.0
Foreign Currency Translation	(10.9)	(2.7)
Pension Obligations (net of tax of $31.5 and $25.0)	(63.3)	(51.2)
Accumulated other comprehensive income (loss)	$ (74.2)	$ (53.9)	$ (74.2)	$ (53.9)