Acquisitions and Dispositions - Fair Value, Valuation Techniques and Related Unobservable Inputs (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Customer Relationships
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value	$ 98.4	$ 178.2
Customer Relationships | Fair Value, Inputs, Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value	$ 0.0	$ 0.0	$ 0.0
Discount rate			16.00%
Attrition rate	2.70%
Customer Relationships | Fair Value, Inputs, Level 3 | Minimum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Discount rate		12.00%
Attrition rate		6.60%
Customer Relationships | Fair Value, Inputs, Level 3 | Maximum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Discount rate		18.00%
Attrition rate		12.00%
Trade Names
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value	$ 4.6	$ 17.8
Non-Compete Agreements
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value	0.3	0.3
Courier Corporation | Customer Relationships | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value	$ 98.4
Valuation Technique	Excess earnings
Courier Corporation | Customer Relationships | Fair Value, Inputs, Level 3 | Minimum | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Discount rate	14.00%
Attrition rate	0.00%
Courier Corporation | Customer Relationships | Fair Value, Inputs, Level 3 | Maximum | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Discount rate	17.00%
Attrition rate	7.50%
Courier Corporation | Trade Names | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value	$ 10.1
Valuation Technique	Relief-from-royalty method
Discount rate	12.00%
Courier Corporation | Trade Names | Fair Value, Inputs, Level 3 | Minimum | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Royalty rate (pre-tax)	0.30%
Courier Corporation | Trade Names | Fair Value, Inputs, Level 3 | Maximum | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Royalty rate (pre-tax)	1.00%
Courier Corporation | Technology | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value	$ 1.6
Valuation Technique	Relief-from-royalty method
Discount rate	11.00%
Royalty rate (pre-tax)	15.00%
Courier Corporation | Non-Compete Agreements | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value	$ 0.3
Valuation Technique	Excess earnings
Discount rate	17.00%
Consolidated Graphics, Esselte and MultiCorpora | Customer Relationships | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value		$ 178.2
Valuation Technique	Excess earnings
Consolidated Graphics, Esselte and MultiCorpora | Customer Relationships | Fair Value, Inputs, Level 3 | Minimum | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Discount rate		17.00%
Attrition rate		5.00%
Consolidated Graphics, Esselte and MultiCorpora | Customer Relationships | Fair Value, Inputs, Level 3 | Maximum | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Discount rate		21.00%
Attrition rate		9.50%
Consolidated Graphics, Esselte and MultiCorpora | Trade Names | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value		$ 26.5
Valuation Technique	Relief-from-royalty method
Discount rate		19.00%
Consolidated Graphics, Esselte and MultiCorpora | Trade Names | Fair Value, Inputs, Level 3 | Minimum | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Royalty rate (pre-tax)		0.50%
Consolidated Graphics, Esselte and MultiCorpora | Trade Names | Fair Value, Inputs, Level 3 | Maximum | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Royalty rate (pre-tax)		1.50%
Consolidated Graphics, Esselte and MultiCorpora | Technology | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value		$ 1.1
Valuation Technique	Excess earnings
Discount rate		17.00%