Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Subsequent Events - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended		0 Months Ended
	Jun. 30, 2014	Jun. 29, 2013	Jun. 30, 2014	Jun. 29, 2013	Jul. 23, 2014 Subsequent Event [Member]	Jul. 01, 2014 Subsequent Event [Member]
Subsequent Event [Line Items]
Business acquisition, value of shares acquired						$ 15.3
Dividend declared date					Jul. 23, 2014
Dividend per share	$ 0.12	$ 0.10	$ 0.22	$ 0.18	$ 0.12
Dividend payable date					Oct. 02, 2014
Dividend record date			Jun. 30, 2014		Sep. 18, 2014