Schedule of Quarterly Financial Data (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Quarterly Financial Data [Line Items]
Net sales	$ 1,101.9	$ 1,125.1	$ 1,040.4	$ 890.0	$ 947.9	$ 909.1	$ 935.3	$ 798.8	$ 4,157.4	[1]	$ 3,591.1	[1]	$ 3,328.6	[1]
Gross profit	376.7	384.9	377.0	300.2	303.5	302.3	317.4	246.8	1,438.8		1,170.0
OPERATING INCOME (LOSS)	95.4	98.6	106.5	56.6	7.5	60.6	72.3	21.3	357.1		161.7		(15.6)
Net income	64.6	64.6	64.2	37.5	18.6	40.2	47.9	13.0	230.9		119.7		(34.6)
Net income attributable to Home & Security	$ 64.2	$ 64.2	$ 64.0	$ 37.3	$ 18.4	$ 40.0	$ 47.8	$ 12.5	$ 229.7		$ 118.7		$ (35.6)
Basic earnings per common share	$ 0.39	$ 0.39	$ 0.39	$ 0.23	$ 0.11	$ 0.25	$ 0.30	$ 0.08	$ 1.39	[2]	$ 0.74	[2]	$ (0.23)	[2]
Diluted earnings per common share	$ 0.37	$ 0.37	$ 0.37	$ 0.22	$ 0.11	$ 0.24	$ 0.29	$ 0.08	$ 1.34	[2]	$ 0.71	[2]	$ (0.23)	[2]

[1] Based on country of destination

[2] On September 27, 2011, shares of Home & Security common stock (par value $0.01 per share) were split from 1,000 shares issued and outstanding and 100,000 shares authorized to approximately 155.1 million shares issued and outstanding and 750 million shares authorized. Basic and diluted earnings per common share and the average number of common shares outstanding were retrospectively restated adjusting the number of Home & Security shares for the stock split for periods prior to September 27, 2011.