Borrowing Arrangements (Tables)

12 Months Ended

Dec. 31, 2016

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	2016		2015
Restated Credit Facility, net of original discount on borrowings and deferred financing costs	February 20, 2020	$	193.4	$	223.1
Other borrowings	Various	1.7		2.0
Total obligations under Restated Credit Facility and other borrowings		195.1		225.1
Less: Current portion of obligations under Restated Credit Facility and other borrowings		20.4		15.2
Total long-term obligations under Restated Credit Facility and other borrowings		$	174.7	$	209.9

Aggregate minimum principal maturities of long-term debt

Aggregate minimum principal maturities of long-term borrowings for the fiscal years following December 31, 2016, are as follows:

(millions)
2017	$	21.5
2018	20.1
2019	20.0
2020	136.3
2021	—
Thereafter	—
Total debt	197.9
Less: Current portion, including debt discount	20.4
Less: Original discount on borrowings	1.2
Less: Deferred financing costs	1.6
Total long-term portion, obligations under credit facility and other borrowings	$	174.7