Stockholders' Equity (Deficit) Accumulated Other Comprehensive Income and Redeemable Noncontrolling Interest - Change in Stockholders' Equity (Deficit), Accumulated Other Comprehensive Income and Redeemable Noncontrolling Interest (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Equity [Abstract]
Net of tax provision	$ 0.1
Net of tax benefit	$ 1.9