Employee Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
U.S. [Member]
Employee Benefit Plans (Textual) [Abstract]
Defined benefit plan, description	Participation in the VCR 401(k) employee savings plan is available for all full-time employees after a three-month probation period. The savings plan allows participants to defer, on a pre-tax basis, a portion of their salary and accumulate tax-deferred earnings as a retirement fund. The Company matches 150% of the first $390 of employee contributions and 50% of employee contributions in excess of $390 up to a maximum of 5% of participating employee’s eligible gross wages.
Company contribution under the savings plan	$ 7.9	$ 3.2	$ 4.3
Probation period for saving plan eligibility	3 months
Maximum percentage of employer contribution to defined contribution plan	5.00%
Participating employee's contribution at which the company will match 150%	first $390
Participating employee's contribution, up to 5% of eligible gross wages, at which the company will match 50%	over $390
Percentage of company match for the first $390 of participating employees contribution	150.00%
Percentage of company match for the participating employees contributions over $390 up to 5% of eligible gross wage	50.00%
Macao [Member]
Employee Benefit Plans (Textual) [Abstract]
Defined benefit plan, description	Participation in VML’s provident retirement fund is available for all permanent employees after a three-month probation period. VML contributes 5% of each employee’s basic salary to the fund and the employee is eligible to receive 30% of these contributions after working for three consecutive years, gradually increasing to 100% after working for ten years.
Company contribution under the savings plan	16.0	7.3	4.6
Probation period for saving plan eligibility	3 months
Percentage of participating employee's salary contributed by company, subject to certain regulations	5.00%
Percentage of contribution eligible to be received by participating employee, after three years	30.00%
Percentage of contribution eligible to be received by participating employee, increasing to, after ten years	100.00%
Number of years worked by employee to be eligible for 30% of provident funds contributed by company	3 years
Number of years worked by employee to be eligible for 100% of provident funds contributed by company	10 years
Singapore [Member]
Employee Benefit Plans (Textual) [Abstract]
Defined benefit plan, description	Participation in MBS’s provident retirement fund is available for all permanent employees that are Singapore residents upon joining the Company. As of December 31, 2011, MBS contributes 16.0% of each employee’s basic salary to the fund, subject to certain caps as mandated by local regulations. The employee is eligible to receive funds upon reaching the retirement age or upon meeting requirements set up by local regulations.
Company contribution under the savings plan	$ 30.7	$ 16.9	$ 1.9
Percentage of participating employee's salary contributed by company, subject to certain regulations	16.00%