Employee Benefits - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Employee Benefits Disclosure [Line Items]
Severance Costs	$ 3.5	$ 4.8	$ 0.8
Contribution to pension plans	26.2	190.8
Expected pension contributions minimum funding requirements	15.5
Annual benefits expected to be paid year one	71.6
Annual benefits expected to be paid year two	74.5
Annual benefits expected to be paid year three	81.0
Annual benefits expected to be paid year four	85.5
Annual benefits expected to be paid year five	91.0
Annual benefits expected to be paid for the five years thereafter	532.0
Unrecognized actuarial loss amount in accumulated other comprehensive loss expected to be amortized next year	20.8
Unrecognized prior service cost amount in accumulated other comprehensive loss expected to be amortized next year	1.3
Accumulated benefit obligation for all pension plans of the Company	1,742.2	1,794.7
Metal and Electrical Engineering Industry Pension Fund
Employee Benefits Disclosure [Line Items]
Actual coverage ratio percentage	103.80%
Defined Contribution Pension
Employee Benefits Disclosure [Line Items]
Percentage match for base wages	5.00%	5.00%	5.00%
Defined contribution benefit plans expense	34.0	33.6	29.3
Minimum
Employee Benefits Disclosure [Line Items]
Expected pension contributions by the company to the pension plans in the next year	30.0
Minimum | Metal and Electrical Engineering Industry Pension Fund
Employee Benefits Disclosure [Line Items]
Required coverage ratio percentage	104.30%
Minimum | Western Metal Industry Pension Plan
Employee Benefits Disclosure [Line Items]
Contributions by the Company	5.00%
Maximum
Employee Benefits Disclosure [Line Items]
Expected pension contributions by the company to the pension plans in the next year	$ 70.0
Maximum | Metal and Electrical Engineering Industry Pension Fund
Employee Benefits Disclosure [Line Items]
Contributions by the Company	5.00%	5.00%
Maximum | Western Metal Industry Pension Plan
Employee Benefits Disclosure [Line Items]
Contributions by the Company	12.00%