Other Financial Data (Tables)

12 Months Ended

May 31, 2016

Other Financial Data Disclosure [Abstract]

Schedule of other financial data

Other financial data consisted of the following for the fiscal years ended May 31: 

	2016			2015		2014
Advertising expense	$	127.3		$	129.7	$	123.4
Amortization of prepublication and production costs	26.4			30.4		32.9
Foreign currency transaction gain (loss)	(0.5		)	0.1		(1.0		)
Purchases related to contractual commitments for minimum print quantities	48.7			68.2		62.8

	2016		2015
Prepublication and production costs	$	42.0	$	51.7
Accounts receivable reserve for returns	32.1		27.9
Unredeemed credits issued in conjunction with the Company’s school-based book club and book fair operations (included in other accrued expenses)	8.9		9.3