Fair Value Measurement - Narrative (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended			3 Months Ended
	Dec. 31, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair values reduced by estimated costs to sell		$ 1.2	$ 1.4	$ 0.7
Impairment of intangible assets	158.0
Finite-lived intangible assets		396.9	297.8		396.9
Europe | Previous Organization Structure
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Goodwill, fair value measurement	0			0
Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment of intangible assets		15.0	3.3	158.0
Trade Names
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment of intangible assets		1.4
Finite-lived intangible assets		27.5	14.3		27.5
Customer Relationships
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Finite-lived intangible assets		367.6	280.3		367.6
Commercial and Digital Print | Trade Names
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other intangible assets, fair value measurement		14.3			14.3
Commercial and Digital Print | Customer Relationships
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment of intangible assets		4.1
Finite-lived intangible assets		181.8			181.8
International | Customer Relationships
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment of intangible assets		7.8			7.8
Finite-lived intangible assets		0.2			0.2
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Goodwill, fair value measurement	18.1	0		18.1	0
Fair Value, Inputs, Level 3 | Customer Relationships
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other intangible assets, fair value measurement			0
Fair Value, Inputs, Level 3 | Commercial and Digital Print | Trade Names
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other intangible assets, fair value measurement		0			0
Magazines, catalogs and retail inserts
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Goodwill, fair value measurement		0			0
Magazines, catalogs and retail inserts | Previous Organization Structure
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Goodwill, fair value measurement	18.1			18.1
Magazines, catalogs and retail inserts | Customer Relationships
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other intangible assets, fair value measurement	0			0
Finite-lived intangible assets	22.8			22.8
Magazines, catalogs and retail inserts | Customer Relationships | Previous Organization Structure
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment of intangible assets	28.5
Financial Print And Related Services | Customer Relationships
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other intangible assets, fair value measurement			101.2
Impairment of intangible assets		1.7
Finite-lived intangible assets		84.0			84.0
Books and Directories | Previous Organization Structure
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Goodwill, fair value measurement	0			0
Books and Directories | Customer Relationships
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Finite-lived intangible assets	3.1			3.1
Books and Directories | Customer Relationships | Previous Organization Structure
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment of intangible assets	123.8
Books and Directories | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other intangible assets, fair value measurement	3.1			3.1
Latin America | Customer Relationships
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other intangible assets, fair value measurement	0			0
Finite-lived intangible assets	8.0			8.0
Latin America | International | Customer Relationships | Previous Organization Structure
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment of intangible assets	$ 5.7