Long-Term Debt - Additional Information (Details)	Jan. 22, 2016 GBP (£)	Jan. 22, 2016 USD ($)	Mar. 31, 2016 USD ($)	Jan. 22, 2016 USD ($)
Debt Instrument [Line Items]
Line of credit facility, remaining borrowing capacity			$ 310,200,000
Line of credit facility, maximum borrowing capacity			575,000,000.0
Proceeds from lines of credit			0
Debt instrument, collateral amount			2,600,000
Standby Letters of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			8,200,000.0
Senior Revolving Credit Facility Maturing in 2020 | Standby Letters of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 3,400,000.0
Notes Payable | Multi-currency Notes Due in 2031
Debt Instrument [Line Items]
Aggregate principal amount	£ 54,900,000.0			$ 80,000,000
Annual installment debt payments	£ 6,100,000.0	$ 8,900,000
Debt instrument, stated interest rate percentage	3.40%			3.40%
Minimum fixed charges coverage ratio (not less than)	1.50	1.50
Maximum consolidated leverage ratio (not to exceed)	3.25	3.25