Benefit Plans - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended		0 Months Ended
	Jun. 30, 2014	May 07, 2014 Foreign Pension Plan, Defined Benefit Employee	May 07, 2014 Foreign Pension Plan, Defined Benefit Minimum	May 07, 2014 Foreign Pension Plan, Defined Benefit Maximum
Defined Benefit Plan Disclosure [Line Items]
Cash contributions to pension plans	$ 1.6
Estimated cash contributions by employer in the remainder of 2014	1.9
Termination of international defined benefit pension plan
Defined benefit plan, number of plan participants		280
Defined benefit plan, plan participants, number of active employees		97
Defined benefit plan, estimated one-time termination benefits in next fiscal year			7	10
Defined benefit plan, estimated one-time termination benefits in next fiscal year, net of tax			$ 5	$ 8