Borrowing Arrangements (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Schedule of long-term borrowings

Long-term borrowings, in order of preference, consisted of the following:

		Amount Outstanding
		December 31,
(millions)	Maturity Date	2018		2017
Credit facility, net of original discount on borrowings and deferred financing costs	November 30, 2023	$	371.2	$	151.0
Other borrowings	Various	15.5		2.8
Total obligations under credit facility and other borrowings		386.7		153.8
Less: Current portion of obligations under credit facility and other borrowings		13.2		20.6
Total long-term obligations under credit facility and other borrowings		$	373.5	$	133.2

Aggregate minimum principal maturities of long-term debt

Aggregate minimum principal maturities of long-term borrowings for the fiscal years following December 31, 2018, are as follows:

(millions)
2019	$	14.1
2020	13.1
2021	13.0
2022	13.0
2023	331.5
Thereafter	5.8
Total debt	390.5
Less: Current portion, including debt discount	13.2
Less: Original discount on borrowings	1.6
Less: Deferred financing costs	2.2
Total long-term portion, obligations under credit facility and other borrowings	$	373.5