Short-Term Borrowings and Long-Term Debt - Additional Information (Details) - USD ($) $ in Millions			3 Months Ended	12 Months Ended
	Dec. 09, 2014	Sep. 26, 2012	Sep. 30, 2011	Dec. 31, 2016	Dec. 31, 2015	Dec. 04, 2015
Debt Instrument [Line Items]
Consolidated funded indebtedness to EBITDA ratio				3.50
Maximum leverage ratio related to material acquisition				3.75
Commercial paper issuances				$ 420.0	$ 354.5
Various debt due to international banks				$ 6.8	$ 2.7
Interest Rate Swaps
Debt Instrument [Line Items]
Interest rate, swap				2.45%
2.45% Senior notes due December 15, 2019
Debt Instrument [Line Items]
Maturity date of debt	Dec. 15, 2019
Aggregate principal amount	$ 300.0
Interest rate of debt	2.45%
Interest payment frequency				payable semi-annually, on each June 15 and December 1
Debt repayment terms				The Company may redeem the 2019 Notes, at any time in whole or from time to time in part, prior to their maturity date at a redemption price equal to the greater of: (i) 100% of the principal amount of the 2019 Notes being redeemed and (ii) the sum of the present values of the remaining scheduled payments of principal and interest thereon (not including any portion of such payments of interest accrued as of the date of redemption), discounted to the date of redemption on a semiannual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate (as defined in the First Supplemental Indenture), plus 15 basis points. In addition, at any time on or after November 15, 2019 (one month prior to the maturity date of the notes), the Company may redeem the notes in whole or in part, at a redemption price equal to 100% of the principal amount of the notes to be redeemed. In addition, if the Company undergoes a “change of control” (as defined in the First Supplemental Indenture), and if, generally within 60 days thereafter, the 2019 Notes are rated below investment grade by each of the rating agencies designated in the First Supplemental Indenture, the Company will be required to offer to repurchase the 2019 Notes at 101% of par plus accrued and unpaid interest to the date of repurchase.
2.45% Senior notes due December 15, 2019 | Interest Rate Swaps
Debt Instrument [Line Items]
Maturity date of debt				Dec. 15, 2019
Interest rate of debt				2.45%
2.45% Senior notes due December 15, 2019 | Repayment Terms
Debt Instrument [Line Items]
Percentage of principal amount of notes being redeemed	100.00%
Percentage of principal amount of notes required if rated below investment grade	101.00%
2.875% Senior notes due October 1, 2022
Debt Instrument [Line Items]
Maturity date of debt		Oct. 01, 2022
Aggregate principal amount		$ 400.0
Interest rate of debt		2.875%
Interest payment frequency				payable semi-annually, on each April 1 and October 1
Debt repayment terms				The Company may redeem the 2022 Notes, at any time in whole or from time to time in part, prior to their maturity date at a redemption price equal to the greater of: (i) 100% of the principal amount of the 2022 Notes being redeemed and (ii) the sum of the present values of the remaining scheduled payments of principal and interest thereon (not including any portion of such payments of interest accrued as of the date of redemption), discounted to the date of redemption on a semiannual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate (as defined in the BNY Mellon Second Supplemental Indenture), plus 20 basis points. In addition, if the Company undergoes a “change of control” (as defined in the BNY Mellon Second Supplemental Indenture), and if, generally within 60 days thereafter, the 2022 Notes are rated below investment grade by each of the rating agencies designated in the BNY Mellon Second Supplemental Indenture, the Company will be required to offer to repurchase the 2022 Notes at 101% of par plus accrued and unpaid interest to the date of repurchase.
2.875% Senior notes due October 1, 2022 | Repayment Terms
Debt Instrument [Line Items]
Percentage of principal amount of notes being redeemed		100.00%
Percentage of principal amount of notes required if rated below investment grade		101.00%
Federal Funds Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate				0.50%
LIBOR-Based Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate				1.00%
LIBOR-Based Rate | Interest Rate Swaps
Debt Instrument [Line Items]
Interest rate, spread				0.756%
LIBOR-Based Rate | 2.45% Senior notes due December 15, 2019 | Interest Rate Swaps
Debt Instrument [Line Items]
Interest rate, spread				0.756%
Treasury Rate | 2.45% Senior notes due December 15, 2019 | Repayment Terms
Debt Instrument [Line Items]
Debt instrument, variable interest rate	0.15%
Treasury Rate | 2.875% Senior notes due October 1, 2022 | Repayment Terms
Debt Instrument [Line Items]
Debt instrument, variable interest rate		0.20%
Maximum | LIBOR-Based Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate				1.75%
Maximum | Base Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate				0.75%
Minimum | LIBOR-Based Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate				0.875%
Minimum | Base Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate				0.00%
Commercial Paper
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 1,000.0
Weighted average interest rate				1.00%
Notes maximum maturity days			397 days
Commercial Paper | Maximum
Debt Instrument [Line Items]
Weighted average interest rate					0.80%
Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity						$ 600.0
Line of credit facility, current borrowing capacity						1,000.0
Additional borrowing capacity						$ 600.0
Maturity date of debt				Dec. 04, 2020
Other Debt
Debt Instrument [Line Items]
Remaining borrowing capacity				$ 3.1
Various debt due to international banks				2.5	$ 2.7
Fixed Interest Loans
Debt Instrument [Line Items]
Various debt due to international banks				$ 4.3