Goodwill and Other Intangibles - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended		1 Months Ended		12 Months Ended
	Jun. 30, 2013	Dec. 31, 2014	Dec. 31, 2013	Apr. 30, 2014	Feb. 01, 2012	Dec. 31, 2012
Business Acquisition [Line Items]
Goodwill relating to acquisition		$ 320,330,000
Carrying amount of nonamortizable identifiable intangible asset prior to impairment	113,000,000
Remaining fair value of intangible asset	99,000,000
Impairment charge	14,000,000
Impairment of nonamortizable intangible assets		0	0
Impairment of amortizable intangible assets		0	0
MEGA Brands
Business Acquisition [Line Items]
Percentage of ownership acquired				100.00%
Total cash consideration paid				454,900,000
Net assets acquired				39,600,000
Cash				31,600,000
Accounts receivable				35,300,000
Inventory				83,300,000
Property, plant, and equipment				32,500,000
Accounts payable and accrued liabilities				66,600,000
Long-term debt				44,600,000
Other net liabilities				31,900,000
Goodwill relating to acquisition				320,300,000
Integration costs recognized		21,000,000
Transaction costs recognized		7,000,000
Amortizable identifiable intangible assets acquired				95,000,000
HIT Entertainment
Business Acquisition [Line Items]
Percentage of ownership acquired					100.00%
Total cash consideration paid					713,500,000
Goodwill relating to acquisition					252,200,000
Integration costs recognized		0	5,000,000			18,000,000
Transaction costs recognized		0	0			6,000,000
Identifiable intangible assets					510,700,000
Net liabilities assumed					$ 49,400,000