Schedule of Purchase Price Allocation for Acquisitions (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Goodwill	$ 1,735.5	$ 1,436.3
Less: gain on the bargain purchase	16.6
Esselte Multi Corpora And Consolidated Graphics Acquisition
Business Acquisition [Line Items]
Accounts receivable	241.1
Inventories	89.8
Prepaid expenses and other current assets	14.0
Property, plant and equipment	341.4
Other intangible assets	205.3
Other noncurrent assets	7.4
Goodwill	298.8
Accounts payable and accrued liabilities	(211.2)
Other noncurrent liabilities	(56.6)
Deferred taxes-net	(94.4)
Total purchase price-net of cash acquired	835.6
Less: debt assumed	118.4
Less: value of common stock issued	319.0
Less: gain on the bargain purchase	16.6
Net cash paid	$ 381.6